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If you want a bone conduction headphone you can actually wear in the water, choose SilisoundTek Bone Conduction Swimming; if you need a simple everyday open-ear headphone for dry land with touch controls, choose Soynoen Bone Conduction Headphones.
• SilisoundTek's biggest strength: a genuine IP68 waterproof rating plus a built-in 32GB TF card, so you can swim, surf or dive while listening in MP3 mode — no phone required.
• SilisoundTek's biggest trade-off: it's the more specialised, single-purpose pick. Underwater you must switch to TF card mode because Bluetooth can't transmit through water, and it relies on physical buttons rather than touch.
• Soynoen's biggest strength: a clean, lightweight open-ear design with touch controls and a broad 33-foot Bluetooth range for casual listening at home, at a desk or on a walk.
• Soynoen's biggest trade-off: nothing in its spec sheet suggests water protection, and there's no built-in storage — it's a Bluetooth-only headphone for dry environments.
• Who each pick is for: choose SilisoundTek if swimming or watersports are the point; choose Soynoen if you just want an affordable-feeling open-ear headphone for everyday, land-based listening.
This is a headphone built around one clear job: staying on your head and playing music when you're wet. The headline spec is the IP68 waterproof rating, which the manufacturer describes as supporting swimming, surfing and even diving, plus running, skiing, hiking, camping and skating. That's a genuinely broad claim, and it's the single biggest reason someone would pick this model over an ordinary open-ear headphone.
The second defining feature is the built-in 32GB TF card, which the spec sheet says can hold more than 8000 songs. This matters more than it sounds. Bluetooth signals don't travel well through water, so the design expects you to load your music onto the card and switch to MP3 mode once you're in the pool. In other words, the storage isn't a bonus — it's the mechanism that makes underwater listening work at all. On land, you can switch back to Bluetooth 5.4, which pairs with phones, tablets and smartwatches and supports connecting multiple devices.
Who should buy it: swimmers, pool regulars, open-water swimmers and anyone doing watersports who wants music without a phone nearby. Also a reasonable fit for runners and hikers who want one headphone that survives sweat and rain.
Who should skip it: if you mainly want touch controls, a lighter plastic build, or you never get near water, the extra waterproofing and card slot are complexity you won't use. And if you expect Bluetooth to work while your head is submerged, this — like every bone conduction model — won't do that; you'd be using the card.
Soynoen Bone Conduction Headphones: Who It's For
The Soynoen is the simpler, more conventional take on the open-ear idea. It rests on your outer ear rather than covering it, so you stay aware of traffic, conversations and your surroundings while music plays — the classic bone conduction pitch, and a genuinely useful one for city walking, commuting on foot, or working in a shared space.
What the spec sheet gives you is a fairly standard modern package: open-ear placement, a 16.2mm bone conduction driver, 8-ohm impedance, Bluetooth (listed as version 6), a 33-foot range, touch controls, and roughly 10 hours of battery life with a 1-hour charge time. The enclosure is black plastic, it's aimed at adults, and it comes in a retail box with a 1-year manufacturer warranty.
Notice what's absent: there's no waterproof or water-resistance rating, no built-in storage, and noise control is listed as "none." That tells you what this headphone is and isn't. It's a straightforward wireless open-ear headphone for listening from a paired device in normal, dry conditions.
Who should buy it: someone who wants the open-ear awareness benefit for daily life — walking, cycling short distances, desk work, podcasts around the house — and prefers touch controls to buttons. The 33-foot range is generous enough to leave your phone on a bench or desk and move around.
Who should skip it: swimmers and anyone who trains in water. With no water rating in the specs, treating it as a pool headphone would be a gamble I wouldn't recommend. If you want to listen without carrying a phone, the lack of built-in storage is also a dealbreaker.
• Best for swimming and watersports → SilisoundTek. The IP68 rating is the whole point here.
• Best for listening without a phone → SilisoundTek. The 32GB TF card holds your library and works where Bluetooth can't.
• Best for everyday dry-land listening → Soynoen. Open-ear awareness, touch controls, nothing water-related to fuss over.
• Best for touch controls → Soynoen. It uses touch; SilisoundTek uses physical buttons with Siri support.
• Best battery flexibility → a tie on paper. Both list around 10 hours of playback, but SilisoundTek charges in about 1.5–2 hours versus Soynoen's 1 hour.
• Best connectivity range → Soynoen. 33 feet versus the roughly 10 metres (about 33 feet) listed for SilisoundTek — effectively similar, but Soynoen states it plainly.
• Best for a longer warranty → SilisoundTek. 24 months versus Soynoen's 1 year.
• Best for a lighter, simpler build → Soynoen. Plastic, minimal, no card slot or underwater modes to learn.
I'd buy the SilisoundTek Bone Conduction Swimming. Not because it's better at everything — it isn't — but because it's the one that does something the Soynoen can't: it lets you swim with music and store your own library on board. If water is anywhere in your routine, that capability is worth the extra complexity of card mode and button controls. If you never swim and just want an easy open-ear headphone for walks and desk work, I'd point you to the Soynoen instead and save the hassle. Check the current price on Amazon before deciding, since that's where the real difference between these two often lands.
Yes — it's rated IP68, the highest waterproof level in its spec sheet, and the manufacturer lists swimming, surfing and diving as supported uses alongside running, skiing and hiking. Just remember to switch to TF card (MP3) mode underwater, since Bluetooth won't carry through water.
I wouldn't count on it. Its spec sheet lists no water-resistance rating at all, so treating it as a swimming headphone isn't something I'd recommend. It's designed as an everyday open-ear headphone for dry conditions.
Neither spec sheet tells you which sounds better — that depends on fit and tuning, not numbers. SilisoundTek lists a 20Hz–20kHz frequency range and an 8-ohm impedance; Soynoen lists a 16.2mm driver and the same 8-ohm impedance. The bigger practical difference is use case: SilisoundTek plays from its own card, Soynoen plays over Bluetooth.
With the Soynoen, yes — there's no built-in storage, so it needs a Bluetooth source. With the SilisoundTek you don't: the 32GB TF card holds more than 8000 songs, which is exactly why it works in the water where Bluetooth can't reach.
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