The We-Vibe Sync O is one of the few couples vibrators I orgasm with hands-free during sex. Though no couples vibrator is as stimulating as a handheld like a wand vibrator or bullet vibrator, which have more power, and allow you to place the motor exactly where you want and press however hard you want. But the Sync O frees up your hands to engage more with your partner.

Because it has an adjustable hinge, I can find a comfortable, stimulating fit that maintains consistent contact with my clit. So the vibrations transfer from the motor to my body. Whereas entry-level models with a fixed shape like the Sync Go, the Sync Lite, the Romp Join, and others like them shift off my clit easily and hardly stimulate me during sex.

The Sync O’s internal arm differs a bit from other premium couples vibrators. Instead of the more bulbous arm of the Chorus and Sync 2, it uses a flexible silicone loop. You squeeze the sides of the loop together to insert it, and it gently expands back out to press against the sides of your vagina rather than the front wall. Because it is slim front-to-back, it leaves more room for penetration and does not feel as full. That makes the Sync O the most comfortable couples vibrator I’ve worn during sex for those who prefer a less girthy feel.

But that same loop is why the Sync O is less stimulating during sex than the Chorus and Sync 2. It has no G-spot motor, and the flexible loop does not press into my front wall the way those models’ rigid arms do. On bulbous models, my partner’s thrusting pushes the internal arm into my G-spot and adds pressure that makes orgasm easier for me.

The Sync O doesn’t do that. The loop also clamps less tightly during thrusting, so the clit arm can pivot slightly to the side and I have to grind more to get as good of stimulation. The clit vibrations are enough to get me there hands-free, but it takes more time and effort.

If the strongest hands-free stimulation during sex is what you care about most, choose the Chorus or Sync 2. The Sync 2 gives you that same during-sex stimulation for a little less, while the Chorus adds a second hinge for the best possibility of getting your ideal fit. Choose the Sync O if you want the couples vibrator that feels the most comfortable during sex.

In the next sections, I’ll cover the Lucy’s vibration power and rumbliness in detail.

Here’s the main conclusion: The Lucy is one of the most stimulating panty vibrators I’ve tested, especially for its price – strong, with a form-fitting design that delivers that strength to your clit well. The trade-off is rumbliness – the Lucy is buzzy at every setting, and extremely buzzy at the top, but I still enjoy its vibration feel personally.

If strong, rumbly vibrations matter more, go with the VeDO Niki (remote-only, no app), but otherwise the Lucy’s clit stimulation is great.

In the next sections, I’ll cover the Sync O’s clit vibration power and rumbliness in more depth.

Here’s the main conclusion:

The Sync O’s clit vibrations are strong for a hands-free couples vibrator. The adjustable hinge helps the vibrations transfer well to my clit, though it is still slightly less stimulating than the Chorus or Sync 2.

Its only moderately powerful compared to stronger panty vibrators or handheld vibrators like wands or even bullets, so those are more intense options if hands-free stimulaton during sex isn’t your priority.

The Techno Lucy is one of the strongest panty vibrators I’ve tested, with a top power of 9 out of 10. Among magnetic panty vibrators, only the Lovense Ferri reaches a higher top strength.

The power range is wide, but there’s only three power levels: a soft 1 out of 10 at the low end (a good warmup setting), a jump straight to 7 in the middle, and a powerful 9 at the top. While there’s not a ton of intermediate settings, I personally find the three settings it provides enough to comfortably warmup and finish strongly.

The Lucy also transfers that power to your clit really well. Its curved, broad design contours to your vulva, and a strong, wide magnet keeps the toy from pivoting out of place. Among magnetic panty vibrators, only the Lovense Ferri delivers more of its motor’s strength to your clit. While a lot of panty vibrators feel weaker than their strength would suggest, the Lucy’s 9 out of 10 power actually feels strong on your clit.

The Lucy’s curve also gives you some ability to press the vibrations more firmly into your clit hands-free. When you’re sitting, shifting your weight onto the end opposite your clit tilts the front end more firmly into you – closer to handheld pressure control than a straight panty vibrator gets, though still certainly not the level of pressure you get from a handheld vibrator.

The We-Vibe Sync O’s motor has a broad power range that starts gently and reaches 6.75 out of 10 on high. That’s moderate for wearable vibrators overall, but tied for the strongest hands-free couples vibrator I’ve tested – the We-Vibe Chorus, Sync 2, and original Sync deliver nearly identical clit stimulation. However, these models add extra G-spot stimulation that the Sync O lacks.

Despite having only moderate power, the Sync O’s vibrations transfer well to my clit. The adjustable hinge keeps the clit arm pressed against me very well, unlike cheaper, flexible-only couples vibrators.

Moving around, it presses slightly less firmly than the Chorus and Sync 2, whose bulbous internal arm tilts the toy harder against the clit; but sitting or lying down, the contact is just as good. Since the Sync O doesn’t add extra internal pressure during penetration, the overall clit stim feels more moderate.

If wearable clit stimulation outside sex is your goal, a stronger panty vibrator like the Lovense Ferri is a better fit. Or a handheld like the Lovense Hyphy if you want control over placement and pressure instead of hands-free convenience.

We rate rumbly vibrations higher than buzzy ones because it’s what most people prefer – rumbly vibrations travel deeper and feel more diffuse, while buzzy ones stay nearer the surface with a sharper kick. But this is a personal preference, and many people do enjoy buzzy vibes.

The Lucy is buzzy. Its lowest setting measures 92.5 Hz, which is moderately buzzy, and the top climbs to 142.5 Hz, well into the extremely buzzy range. There’s no level where the Lucy feels rumbly or even neutral – its vibrations stay in the moderately-to-extremely buzzy range across all three settings.

This is fairly typical for panty vibrators – the small motors that fit inside a wearable often have a hard time generating the low-frequency vibrations that feel rumbly while also spinning fast enough to feel strong. I personally enjoy the Lucy’s strong, buzzy vibrations, because they stay pressed to my body and transfer well to my clit.

But if you want a strong, rumbly panty vibrator, the VeDO Niki is a great option for about $20 more. It’s a rare panty vibrator that delivers deep, low-frequency vibrations throughout its whole power range.

We rate rumbly vibrations higher than buzzy ones because it’s what most people prefer – rumbly vibrations travel deeper and spread through the body instead of staying near the surface – but it’s a personal preference, so consider what you like.

The Sync O’s motor is only decenetly rumbly – the Sync 2 aand Chorus each have deeper vibrations than the Sync O. Its lowest setting is extremely rumbly at around 56 Hz, the middle settings settle into neutral, but the upper settings do become buzzy, but I still enjoy how they feel.

It’s common for toys to become buzzy on higher settings, but the Sync O layers a low, rhythmic pulse over the steady vibrations that makes it feel a little deeper and fuller than the raw frequency suggests. That pulse is strongest through the first three-quarters of the range.

The Sync 2 and Chorus hold their rumble a little better at the top.

Like all panty vibrators, the NS Novelties Techno Lucy only stimulates your clit – not your G-spot. Since most women need clit stimulation to orgasm, a panty vibrator is often the right type of wearable. But if you’re interested in G-spot stimulation instead, see all our recommendations for the best egg vibrators here.

The We-Vibe Sync O’s internal arm does not vibrate. In general, couples vibrators’ internal arms are mainly there to help anchor the toy in place and provide a little extra pressure on your G-spot when combined with penetration. Even the ones with vibrating G-spot motors like the We-Vibe Chorus and We-Vibe Sync 2 are pretty gentle – though having a motor usually does make the internal arm’s shape a little more bulbous so they tend to provide better G-spot pressure.

In the next sections, I’ll cover the Love Spouse app’s close-range and long-distance features and its connectivity in detail.

Here’s the main conclusion:

The Love Spouse app is very basic and can feel spammy. But it’s functional for both close-range and long-distance play. The Techno Lucy is also more sensitive to body interference blocking the bluetooth signal than pricier panty vibrators. But at this budget point, it’s a good option.

If you want a feature-rich app and the best connectivity available, you’ll need to increase your budget and go with the Lovense Ferri. If basic, working app control is fine, the Lucy’s app does the core job.

In the next sections, I’ll cover the We-Vibe app in-depth – its close-range features, long-distance features, and its connectivity.

Here’s the main conclusion:

The We-Vibe app is buggy and bad – far behind Lovense’s app. But for hands-free stimulation during sex, I usually prefer the physical remote or on-toy button anyway. The app is a downside, but not a dealbreaker because We-Vibe still makes the only couples vibrators I reliably orgasm with.

In close-range control, it caps the Sync O’s motor at about 80% of its full power, and freezes often enough that I don’t trust it. Long-distance control is worse: the app often blocks you from even starting a call, and commands tend to stop working even when you do connect.

There’s no good couples vibrators with a good app. If app control matters more than hands-free stimulation during sex, go with a Lovense toy instead: the Lovense Ferri for clit stimulation, Lovense Lush 4 for G-spot stimulation, or Lovense Dolce for dual-stimulation.

The Love Spouse app’s close-range features are very basic – it has the most limited close-range app experience I’ve tested in a panty vibrator. The core constant-intensity control works, so if you just need an app to select your vibration power it’s fine – especially at this budget. But more customized controls you’d expect from higher-end apps are either missing or don’t work well. Consider the Lovense Ferri if you care about greater customization.

The one useful screen in the app is Classic Mode, which lists the toy’s preset modes as “Mode 1” through “Mode 9.” Modes 1-3 are the toy’s low, medium, and high constant intensity; the rest are the toy’s preset patterns.

That’s the entire intensity-control system – three stepped levels rather than the continuous adjustment most panty-vibe apps offer. If you want to dial in a precise feel between low and medium, you can’t; you’re stuck with the three steps the toy ships with. The modes also aren’t descriptively labeled, so you (or a partner controlling your toy) can’t tell what a pattern feels like without trying each one first, you have to memorize what each means.

Beyond Classic Mode, the app is cluttered with poorly built features that don’t add value. Draw Something is meant to let you drag your finger on the screen to control vibration intensity – but the response is so inconsistent that after ten minutes I still couldn’t figure out how it was supposed to work. Music Mode plays the toy along to music, but you’re limited to a handful of pre-installed songs the brand made up – no Spotify, no Apple Music, no songs from your phone – and the vibrations don’t really match the music anyway. Game Mode and a Shaking feature (where you shake your phone to control intensity) are similarly unusable in practice. Ads for the brand’s cam services run throughout the app, often taking up more space on the main control screen than the controls themselves. You don’t have to watch ads before playing, but they’re on the screen taking up space.

If you want anything beyond stepping between three preset intensity levels or selecting from the preset patterns the Lovense Ferri has a much better app. If you’re fine with basic controls and just need a functional app on a budget, the Techno Lucy’s app can be fine.

The We-Vibe app’s close-range features are weak because the app is so buggy. If it worked properly, it would be a decent option for simple intensity control and preset patterns. But the current experience is frustrating.

The main controls are Single Vibe and Multi Vibe. Both let you drag an on-screen dot up or down to adjust intensity. Multi Vibe also lets you assign preset patterns to four corners, so you can quickly switch between steady vibration and a few favorites without digging through menus.

The Sync O’s max power in the app is only 80% of it’s true strength. This is a dealbreaker for using the app, considering the Sync O’s on the gentle-to-moderate end of strength anyway. You’ll have to use the remote or on-toy button to reach the toy’s full power.

The control dot also occasionally freezes and stops responding, and you have to close and reopen the app to get it going again. The disruptions are annoying.

There are 10 preset patterns to choose from in Single or Multi Vibe, each with a name and a waveform icon. Some are easy to read, like Pulse and Wave; others you have to try before you know what they do. One thing We-Vibe does better than Lovense here: you can adjust the power of each preset pattern. There’s also a Playlist feature for stringing patterns together, but you can’t feel what you’re building as you go, so it’s mostly guesswork.

Custom pattern creation is clunky. It’s buried several taps deep, you can’t feel the pattern as you draw it, and when I tried to play back one I’d made, it crashed the app every time. Lovense does pattern creation far better.

The sound and music modes are okay. Sound Mode uses your phone’s mic, and Music Mode syncs to songs saved locally on your phone – not Spotify or Apple Music, which is not very versatile. Both work, but the controls are poorly labeled, and there’s no minimum-volume threshold like Lovense offers to keep the toy quiet until the sounds around you are loud enough to cover it.

If you want excellent app control, Lovense is much better: choose the Lovense Ferri for clit stimulation, the Lovense Lush 4 for G-spot stimulation, or the Lovense Dolce for dual stimulation. But none of those are couples vibrators you can wear during sex, so if that’s your goal, just skip the app and use the Sync O’s remote.

The Love Spouse app’s long-distance features are basic but functional – the core call-and-control flow works, but getting to the call is rough.

Your long-distance partner controls your Lucy with the same Mode 1 through Mode 9 preset selector you have during close-range play, and the same limitations.

Getting into a call is unintuitive at first, especially if you want to control a partner’s toy without also owning a toy of your own. The easiest way to connect with a partner is to select YOUR own toy from the home screen. Once connected to your toy, you’ll see a “Friend Control” option in the menu. Add your partner, and then you can select to invite them to a control session. Then once in a control session, you can also request to start a video call. This way requires that you also own a toy in order to access your friends list through your toy’s menu.

If you don’t own a Love Spouse toy too, you have to navigate to the “World” menu, which takes you to a spammy screen with a ton of random users sending a constant stream of messages. But in the top left of this screen, there’s a message icon where you can access your friends list and start the video call with your partner from there.

Once you’re in, though, the video call itself is pretty good. Video quality is high on decent internet, your view of your partner fills most of the screen without the controls cluttering the feed, and the toy control panel is easy to access – toggling off fullscreen brings the controls up in the bottom half of the screen while keeping your partner in view at the top. You can also both control each other’s vibrations during the call.

The call does have a few notable gaps. You can’t toggle off your camera or mute your mic – only flip front/back camera, switch to speaker, or end the call (a voice-only call option exists as a fallback). And there’s an in-call messaging feature that you should not use: messages fill up the video screen and don’t go away.

The standalone chat experience is bad: messages appear in a tiny corner window, text overflows onto buttons of similar color, lines cut off mid-word, and there’s no message history. There’s no media sharing during an active control session either – you can’t send a photo or voice clip while controlling your partner’s toy.

For people interested in the Anonymous play some higher-end apps like Lovense offer, it exists in the Love Spouse app, but it’s behind a paywall.

If long-distance play is a priority for you, the Lovense Ferri is a better choice – its app gives your partner rich control in long-distance mode, with a clean non-spammy interface that works well. For basic control over your partner’s vibrations during a video call, the Techno Lucy can work fine.

The We-Vibe app’s long-distance features are too buggy to recommend. The controls break so often mid-session or even prevent you from connecting, so long-distance play is effectively unusable.

In theory it works like close-range control. Once you’re in a video call or chat, your partner is supposed to get the same Single Vibe and Multi Vibe controls you use nearby, plus the same basic pattern controls. You can even take back control of your own toy mid-session without ending the call – a useful touch that more apps should provide.

But the same close-range problems carry over, and some new, worse ones. In many sessions my partner and I tried, the toy just didn’t respond to what we did in the app – you drag the control dot expecting your partner’s vibrations to change, and nothing happens on the toy-end.

The power cap carries over too, so your partner can’t reach the Sync O’s strongest settings from the app. And you often can’t connect at all: both partners frequently show as “offline” even when you’re both in the app.

Even when you do connect, starting a video call is clunky – you send and accept four separate requests (the call, the camera, control of your toy, and control of theirs), and they often don’t go through. The video is blurry and choppy compared to Lovense’s.

Messaging itself is fine – you can send text, photos, voice notes, and video clips. And We-Vibe lets you save multiple partners, but it doesn’t offer Lovense’s anonymous one-time control links or auto-accept settings for a trusted partner.

For long-distance play, a Lovense toy like the Ferri, Lush 4, or Dolce is far better – but none of them are couples vibrators you can wear during sex.

The Lucy’s app connectivity is reliable for solo control, but it’s just decent for nearby or long-distance partnered play. If reliable connectivity through any situation matters a lot to you, the Lovense Ferri is a better option, though it’s pricier.

Getting up and running is mostly automatic. The very first time, you have to enter a four-digit binding code from the toy’s instruction manual – annoying, but you only do it once (so don’t toss the manual before pairing). After that, the app auto-connects whenever you open it and turn the toy on. If the connection drops mid-session (like from going out of range), reconnection is automatic as soon as the signal’s clear again.

When I’m controlling my own toy, commands go through reliably and the connection holds through phone locking, app-switching, and periods of inactivity. The Lucy can also handle light body interference, like controlling the toy yourself or when a partner is facing you or at a slight angle. But as you put more of your body between the phone and the toy, it can lose the connection.

Water-rich materials like body tissue can significantly dampen bluetooth signals – much more than clothes or typical walls. Our body-interference test simulates this at three progressively harder positions: the Lucy holds a stable connection at the first, drops occasional commands at the second (but auto-reconnects on its own), and can’t maintain a connection at the third, most severe angle.

The Lovense Ferri holds at all three positions, which matters if a partner will be controlling your toy with a lot of your body in the way.

The Lucy’s Bluetooth range comes in around 40 feet in our open-air test, measured with a clear line-of-sight. That’s enough for same-room control, but well short of what Lovense’s and other panty vibrators reach – and body interference at certain angles will shorten your real distance further.

For long-distance play, the connection works well when both partners keep the Love Spouse app open. Sessions don’t drop unexpectedly, and commands go through reliably while both apps are active. If the toy-wearer’s app is locked or minimized, it can cause the controls to freeze until the app is back up again. Better long-distance apps like Lovense’s let the controlling partner keep adjusting your vibrations through normal phone behavior.

For solo control, partnered control from angles without much of your body in the way, and basic long-distance play, the Lucy’s connectivity holds up – especially considering how inexpensive the Techno Lucy is.

The We-Vibe app’s connectivity with the Sync O is poor in close range and broken in long distance. The problem isn’t the Bluetooth signal – it’s the app, so it affects all of We-Vibe’s couples vibrators. You’ll want to control the Sync O from the remote. And if app-control is important, choose a Lovense toy instead.

The Sync O’s Bluetooth hardware is actually strong – it can handle locking your screen or switching apps, has excellent range (170 feet in our test), and holds up well to body interference.

Initial pairing is simple. Once you’ve added the Sync O to the app, it usually reconnects in two taps with no on-toy action needed – as long as you use one phone and only own a We-Vibe toy or two. You’ll have more trouble if you own several We-Vibe toys or connect the same toy to more than one phone, like you and a partner each pairing your own phone. Then the quick-connect often fails, and the fix is a tedious routine: delete the toy from the app, forget it in your phone’s Bluetooth settings, and pair it again from scratch.

Reconnecting mid-session is unpredictable. If the signal drops and returns within 10 to 20 seconds, the app usually reconnects on its own – but during that window it still looks connected, so whoever’s controlling the toy can be dragging the dot while nothing actually happens. If you’re out of range longer, you’ll often have to reconnect by hand, sometimes by holding the on-toy button, which is awkward while wearing the toy.

The biggest problem is that the app itself frequently doesn’t respond correctly: On the Single Vibe and Multi Vibe screens the toy sometimes ignores the control dot, or the dot freezes and you have to close and reopen the app to recover. It’s hit or miss, but frequent enough that I don’t trust the app during play.

Long-distance play is where it’s especially problematic. Both partners often show as “offline” even when you’re both sitting in the app, which stops a session from ever starting, and when you do connect, control commands are often missed with no indication on the controlling-partner’s end. Both bugs happen often, with no reliable fix.

For excellent connectivity in close range or long distance, a Lovense toy like the Ferri, Lush 4, or Dolce is a more reliable choice – but none of these is designed to be worn during sex, so for the Sync O itself, the remote or on-toy button is your best option.

The NS Novelties Techno Lucy doesn’t include a physical remote control. A remote lets you adjust the toy by feel – without pulling out your phone. Though there’s other downsides like less depth and no visual feedback to help your partner know what your toy’s doing. If you want to consider options with physical remotes, see our recommendations in these guides:

• best remote and app-controlled vibrators (all types of vibrators)
• best wearable vibrators (wearables only).

In the next sections, I’ll cover the Sync O’s remote features and connectivity in detail.

Here’s the main conclusion: the Sync O’s remote is good, with all the controls you need and works reliably unless there’s a lot body interference. It can become unreliable when too much of your body comes between the toy and remote (which only really happens when your partner is controlling your toy from a sharp angle), but that doesn’t actually come into play when you’re controlling the toy yourself or during sex (which is what the Sync O is best for).

The We-Vibe Sync O’s remote features are great.

One of the best aspects is that the power and pattern controls are separate. There’s dedicated + and − buttons to move forward and backward through 11 power levels. And pressing and holding either button helps you reach a higher or lower setting faster.

There’s forward and backward buttons to move through the 6 vibration patterns. So I never have to cycle past patterns to reach a power level or vice versa – many remotes put power and patterns on the same loop. And you can raise and lower the intensity of each pattern.

The remote itself is comfortable to hold. It’s small and silicone-coated sitting naturally in my hand and feels more luxurious than We-Vibe’s older remotes like the original Sync’s hard plastic remote. And I also find its smaller size more comfortable to hold than the Chorus’s and Chorus Pro’s larger remotes. And the buttons are raised enough that I can feel which is which without looking – this kind of eyes-free operation can be a practical advantage of a remote over an app.

Like most remotes, the Sync O’s remote just blinks when a button is pressed – there’s no way for the partner holding it to tell what setting your toy is on. It’s not a huge deal, especially if you’re often the one controlling your own toy. But for a controlling partner, it can feel less engaging than an app’s visual feedback.

The Sync O’s remote connectivity is great in the use that matters most – controlling the during sex or yourself. But it is sensitive to heavy body interference which can happen if a partner controls your toy from extreme angles as you wear it around.

Body tissue between the controller and the toy is what most often weakens a remote’s signal – RF and Bluetooth signals get dampened by water-rich materials like your body more than most walls and other objects.

Our body-interference test simulates this at three different angles. During our testing, the Sync O’s remote was stable at the middle angle and workable at the first – missing only a couple commands – but at the steepest angle it struggles, dropping most commands.

Our test runs harsher than real use, though, especially because the Sync O’s wireless receiver sits in the externally worn portion of the toy, so there’s often little body tissue between it and the remote. Especially when you’re controlling the Sync O yourself, or during sex with the remote right by you and a clear shot to the toy, commands go through reliably; the misses only surface when a partner controls it from an awkward angle while you’re wearing it around, with more of your body in the way.

Button presses register with barely any delay and pairing is instant and automatic. The remote reaches about 40 feet in our open-air range test, measured with clear line-of-sight and no body interference. That’s shorter than many of the wearable remotes we’ve tested, but is still plenty of range for most scenarios.

Like most panty vibrators, the Lucy’s on-toy controls are limited by design – the toy sits inside your underwear during use, so you’ll typically rely on the app.

There’s a single button on the toy that cycles through the same nine settings from the app – three steady power levels, then six vibration patterns. There’s no minus button, so dropping back to a gentler power takes cycling through the remaining settings. Nine settings is enough that the cycle takes some patience, but as a backup or if you want to occasionally use the toy handheld it works fine.

The button is well-placed: easy to feel and press without looking, and centered in the middle of the broad, plush body. Pressing it does push the toy against your vulva, but the central placement and broad surface distribute the pressure evenly across your body rather than concentrating it in one spot, so it’s comfortable.

The limited on-toy button works fine, since the app is the main way you’ll use the Lucy.

Like most hands-free couples vibrators, the Sync O’s on-toy controls are basic since many people will use the remote (or app if it worked well).

A single button cycles through 4 power levels and 6 vibration patterns on the same loop. To drop back to a lower power you have to click past the remaining patterns to get there. With 4 power levels covering the full range, the cycle is short enough for occasional use.

The button itself is easy to find and press: it’s visible, has a distinct feel, and sits on the external arm so you don’t have to remove the toy to adjust it.

While the controls are limited, I actually like using the on-toy button during sex. It’s nice to just reach between my legs and click when I’m warmed up and ready for more intensity, rather than setting the remote down somewhere nearby and finding it again when I want to change settings.

The NS Novelties Techno Lucy is the most secure fitting panty vibrator I’ve tested, even compared to other magnetic panty vibrators.

The clit-end is broad, but it tapers narrower toward the base between your legs, the toy curves to be form-fitting along your vulva, and the magnet is strong, large, and recessed into a divot at the back.

The broad clit-end paired with the large magnet pins the part vibrating by your clit firmly to your underwear. It has none of the wiggle room a narrower toy or small magnet sometimes leaves. Even if the toy tilts slightly as you move, the breadth of the clit-end keeps it secure against your body. And the curved, tapered shape means your thighs don’t bump the toy off-axis as you walk – it nestles naturally between your legs.

In bed, the toy doesn’t shift through normal moving around or changing positions.

During light activity like walking or doing chores, you can feel the toy move with you as you walk, but it doesn’t actually shift off the spot you secured it to – and gravity doesn’t pull it down off your clit even when standing.

Heavy activity is where most magnetic panty vibrators shift more, but the Lucy holds up better here than any I’ve tested. It stayed in place and maintained great clit contact while I danced and did high knees. Jumping and running do make it bounce – the toy pulls away from your body when you land – but it moves right back where it’s clipped without any manual readjustment.

The We-Vibe Sync O is the most secure-fitting couples vibrator I’ve tested – it stays put better than any other I’ve worn, especially while I’m up and moving around. In this section I cover its fit for solo wear in bed, walking around, and heavier movement; for how it holds during sex, see Hands-Free Use During Sex.

The flexible silicone loop is what keeps the Sync O in place. It’s wider side-to-side than the more bulbous internal arms on the Chorus and Sync 2. The Sync O’s loop presses against the sides of my vagina instead of just the front wall to stay in place and requires more of a tug to remove than any other We-Vibe couples vibrator.

Walking, climbing stairs, and doing chores don’t move it at all. Even heavier movement barely fazes it: running and high knees don’t budge it – it bounces as I land, but the springy loop pulls it right back into place without my having to reach down and fix it. It’s best to wear snug clothing as an extra precaution though.

The bulbous-armed Chorus and Sync 2 start to wiggle loose during that kind of vigorous movement. Though I find these hold more firmly clamped against my clit during sex.

The Sync O has a single adjustable hinge at the base of the clit arm. You bend it to the angle that suits you and it holds that shape, which is what keeps the clit arm pressed against me.

Adjustability is key with couples vibrators – I can only orgasm with C-shaped toys that have an adjustable hinge, and not with flexible-only options – those shift around and often fall out when walking.

The one real limit is that the hinge changes how tight and angled the fit is, not how far the clit arm reaches – if the arm doesn’t quite reach your clit to begin with, no adjustment will extend it, so there’s still some dependency on it fitting your anatomy well.

The NS Novelties Techno Lucy is the most comfortable panty vibrator I’ve tested. It stays comfortable both in bed and while you’re up and moving around – where most panty vibrators drop in comfort to some degree when walking.

The same design that makes it fit so securely also keeps it comfortable. The broad clit-end distributes pressure evenly across your clit area, the slim section between your legs prevents it from getting bumped around much with movement, and the form curves to stay snug against your body.

In bed, the contours extremely well to the body. Like the Sexy Secret, it’s the easiest panty vibrator I’ve found to settle into a comfortable placement, but the Lucy is far more stimulating.

During light activity like walking around the house or sitting at a desk, the broad, plush surface keeps good contact with the clit without any uncomfortable “tapping”, even if the toy is jostled a bit. When sitting, the extra pressure distributes evenly across the plush surface. The Lucy is one toy I could wear for a long time without becoming uncomfortable.

The We-Vibe Sync O is an extremely comfortable C-shaped couples vibrator, whether in bed or while walking around. In this section I’ll cover the comfort during solo use in bed and wearing around – for comfort during sex, see Hands-Free Use During Sex.

In bed, I barely notice it’s there. The flexible silicone loop is slim front-to-back and sits against the sides of my vagina rather than filling it, so the internal piece doesn’t cause any pressure on my bladder that can be less comfortable like larger egg-shaped toys such as the Lovense Lush 4 or Lovense Dolce.

The adjustable hinge lets me set a fit that’s snug enough to stay put but never so tight it presses uncomfortably, and the smooth silicone feels great against your body.

Moving around, it stays just as comfortable. Walking and doing light chores, I don’t feel the internal part at all, and the external arm rests comfortably against my clit without jostling or tapping uncomfortably.

The Lucy is exceptionally quiet – tied for the quietest panty vibrator I’ve tested. And unlike the others tied with it (Satisfyer Sexy Secret, Little Secret, and Romp Party), it’s also one of the most stimulating.

Decibel readings on low and high power were extremely quiet, too quiet for my Sound Level Meter to pick up. The ambient room noise was 35 dBA, and the Lucy never measured higher than this.

The Lucy is also in the most discreet tier of wearable vibrators I’ve tested in our Background Noise Masking subtest. In this subtest, I wear the toy while my partner listens from three feet away and we play pink noise through a speaker at quiet, moderate, and loud volumes (56, 62, and 68 dBA). He couldn’t hear the Lucy at any vibration strength while playing any of our three volumes of background noise audio. It’s definitely audible in our room without any background audio playing – but every wearable vibrator I’ve tested is, no matter how gentle and quiet the vibrations are.

Behind a closed bedroom door, the Lucy was similarly inaudible. For this part of the noise test, my partner listens from outside the closed door while I use the toy in bed. I use it like a handheld toy since wearing dampens sound, and some people want the flexibility to safely reposition the toy or move it around. Holding the toy instead of wearing it gives us the most conservative results. He couldn’t hear the Lucy at any setting from behind our bedroom door – no fan or music needed to mask it.

The We-Vibe Sync O is one of the quietest wearable vibrators. On low power it was too quiet for our sound level meter to pick up over the room’s 35 dBA ambient noise, and even on high it measured only about 42 dBA which is very quiet. The motor’s low-pitched rumble easily blends into the background, and while wearing it, I can barely hear it myself.

In our background-masking test, I wear the toy while my partner listens from three feet away and we play pink noise through a speaker at quiet, moderate, and loud volumes. He could not hear the Sync O at any vibration strength under any of those three tested volumes. It is audible in our room with no background audio playing, but every wearable I’ve tested is audible in a completely quiet room.

For the closed-door test, my partner listens directly outside our bedroom door while I use the toy in bed. I use it like a handheld toy here because wearing dampens the sound, and some people want the flexibility to safely reposition wearables or move them around. Holding the toy instead of wearing it gives us the most conservative result. He could not hear the Sync O from behind the closed door on any power level.

Most hands-free couples vibrators I’ve tested are similarly quiet, including the We-Vibe Chorus and Sync 2. So if you are choosing between couples vibes, stimulation, comfort, and fit during sex matter more than small noise differences.

The Lucy has a short battery life – it lasted 55 minutes in my test on its highest setting. That’s lower than high-end panty vibrators – the average runs closer to 90 minutes, and the Lovense Ferri lasts closer to three hours. You can extend the Lucy’s battery life during normal use since you’ll likely also use the lower settings some too.

The We-Vibe Sync O lasted 93 minutes at its highest power in our test – the longest battery of any We-Vibe hinged couples vibrator. The Chorus and Sync 2 both last about half an hour less.

That’s plenty for the Sync O’s main use – I never need more than an hour of continuous full-power vibration during sex. And because the Sync O is also comfortable to wear around, the longer runtime helps outside the bedroom too.

It still falls short of the best vibrators built mainly to wear around, though: for instance, the Lovense Ferri panty vibrator lasted 168 minutes – but it isn’t a couples vibrator you can wear during sex.

The Lucy is easy to clean. It’s fully IPX7 waterproof, so you can clean it under a running faucet or fully submerge it in soapy water without worry.

The We-Vibe Sync O is easy to clean. The toy itself is fully IPX7 waterproof, so you can rinse it under a running faucet or fully submerge it in soapy water. It is also safe to take into the shower or bath.

However, the IPX4 remote can only resist light water splashes. You should not take the remote into the shower or clean it under a running faucet. Clean the remote with a damp cloth.

The Lucy feels high quality, especially for a budget panty vibrator. It’s covered entirely in thick-feeling silicone with a nice flex to it, the button presses with a satisfying click, and the broad, strong magnet creates a solid, sturdy connection.

The We-Vibe Sync O has excellent build quality, on par with the rest of We-Vibe’s high-end line like the Sync 2 and Chorus. I’ve had mine since 2023 and it’s continued to work as expected.

It’s coated entirely in smooth, plush body-safe silicone that feels luxurious. The adjustable hinge feels solid, holding firm when I press on it and keeps the angle I set, and the connection between the internal and external arms feels strong enough that I’m not worried about it snapping during normal use.

The flexible O-shaped internal loop has a nice spring to it, expanding back to its resting shape quickly every time. We-Vibe also refreshed the controls: the on-toy button is the newer, larger design that’s easier to press than on older We-Vibe toys, and the remote’s buttons press easily with a satisfying click.