We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-24 · 7 min read · Independent comparison
If you want a swimming-first pair of bone conduction headphones with a bigger music vault and the confidence of a 3-metre submersion rating, choose MOSSANTFUL Swimming Headphones; if you need a lighter everyday pair with a newer Bluetooth chip, a built-in mic for calls and a longer rated play time, choose Quidnuran Bone Conduction Headphones.
• MOSSANTFUL Swimming Headphones — biggest strength: an IPX8 rating explicitly tied to 3 metres of water for 30 minutes, plus 16GB of internal memory so you can swim with no phone anywhere near the pool.
• MOSSANTFUL Swimming Headphones — biggest trade-off: Bluetooth is restricted in water, so you must switch to the built-in MP3 mode before you get wet — that's a step you have to remember every session.
• Quidnuran Bone Conduction Headphones — biggest strength: a very light 28g open-ear frame with Bluetooth 5.3, a microphone for calls, and a rated 8 hours of playback per charge.
• Quidnuran Bone Conduction Headphones — biggest trade-off: the water claim is broader but less specific — full-body IPX8 sealing described around 2-metre depth, with no stated time limit and no MP3 playback mode mentioned.
• Who MOSSANTFUL is for: swimmers who want music in the water without carrying a phone, and who value a frame that bends to fit.
• Who Quidnuran is for: runners, gym-goers, hikers and commuters who want a featherweight open-ear headset that also survives rain, sweat and the occasional swim, and who want to take calls.
The MOSSANTFUL Swimming Headphones are built around one idea: music while you're actually in the water, without a phone. That's why the headline number here is IPX8 with a concrete figure attached — submersion up to 3 metres for 30 continuous minutes. In my opinion, that specificity matters. "Waterproof" on its own tells you very little; a depth and a duration tells you the manufacturer has thought about a real pool session rather than a splash at the edge.
The second thing that makes this pair swim-friendly is the 16GB of built-in storage and MP3 playback. You load your tracks once, leave the phone in the locker, and the headphones become a standalone player. The catch is stated plainly by the brand: Bluetooth is restricted in water, so you have to use MP3 mode when swimming. If you forget, you'll get silence — not damage, just silence. Treat that mode switch as part of putting your goggles on.
The frame is where the comfort story lives. It's an open-ear design, so nothing plugs your ear canal and you keep awareness of what's around you — useful when you're sharing a lane. The body is soft silicone and bends a full 360 degrees, which is how it adapts to different head shapes and stays put through strokes and turns rather than sliding off. Controls are media controls on the headset itself, and there's no cable to snag.
Buy it if you swim laps or open water regularly and want your own soundtrack with zero devices poolside, and you like the idea of a frame that flexes to your head. Skip it if you mainly want headphones for running and calls — the MP3-first workflow and the Bluetooth-in-water caveat make it a swim tool first, a general headset second.
The Quidnuran Bone Conduction Headphones take the opposite route: they're a general-purpose open-ear sports headset that happens to be fully sealed. The IPX8 rating is described as full-body waterproofing, with the brand citing free swimming in around 2-metre water depth, and it covers the everyday stuff too — sweatproof, rainproof, splashproof. If your week is a mix of gym, cycling, hiking and the odd swim, that's a more flexible brief than a dedicated lap-pool unit.
Weight is the standout spec: 28g, built from ultra-light materials. That's the kind of number you notice on a long run or a full day of wear, because there's very little clamping pressure and, per the design notes, no in-ear discomfort at all since nothing enters the ear canal. The hook-shaped earpiece and ergonomic frame are meant to keep it steady without fatigue.
On the tech side you get Bluetooth 5.3 — the newer of the two wireless versions here — which the brand frames around stable, fast pairing. There's also a microphone, so you can take calls mid-workout, and a rated 8 hours of music, calls or radio per charge. Sound is delivered through a bone conduction driver that pushes audio via the facial bones, so your ears stay open to traffic and surroundings. A one-year warranty is listed, which is a small but real reassurance on a sealed unit.
Buy it if you want one lightweight headset for the gym, the road and the trail, with calls on the side and enough water protection to swim in comfortably. Skip it if you specifically want to swim with no phone — there's no MP3 mode or internal storage mentioned, so underwater you'd be relying on Bluetooth, which is exactly the scenario the other pair warns against.
• Best for swimming without a phone → MOSSANTFUL Swimming Headphones. 16GB of internal storage plus MP3 playback means the pool is the whole setup.
• Best for the most specific water rating → MOSSANTFUL Swimming Headphones. IPX8 stated as 3 metres for 30 continuous minutes is a concrete, testable claim.
• Best for light weight → Quidnuran Bone Conduction Headphones. At 28g it's the one you'll forget you're wearing on a long session.
• Best for calls and voice → Quidnuran Bone Conduction Headphones. It has a built-in microphone; the MOSSANTFUL sheet lists media controls only.
• Best for newer wireless → Quidnuran Bone Conduction Headphones. Bluetooth 5.3 versus Bluetooth 5.0 on the MOSSANTFUL pair.
• Best stated battery life → Quidnuran Bone Conduction Headphones. 8 hours of music, calls or radio per charge versus no battery figure given for the MOSSANTFUL.
• Best for varied head shapes and rough handling → MOSSANTFUL Swimming Headphones. The 360-degree bendable silicone frame is designed to flex and stay put.
• Best for land sports first, water second → Quidnuran Bone Conduction Headphones. Running, cycling, mountaineering and commuting all sit inside its design brief.
If swimming is the reason you're shopping, I'd buy the MOSSANTFUL Swimming Headphones. The IPX8 rating comes with a depth and a time attached, the 16GB of storage removes your phone from the equation entirely, and the bendable frame is designed for exactly the movements a pool demands. The Quidnuran pair is genuinely appealing — 28g, Bluetooth 5.3, a mic and 8 hours of playback make it the better all-rounder — but for me, "swim with music" is a specific job, and the MOSSANTFUL is the one specified for it. If you're a land athlete who occasionally gets wet, flip that recommendation.
are headphones waterproof
It depends entirely on the rating, not the marketing word. Both pairs here are rated IPX8, which is the highest of the common water-resistance grades. The MOSSANTFUL sheet specifies submersion to 3 metres for 30 continuous minutes; the Quidnuran sheet describes full-body IPX8 sealing and swimming in around 2-metre depth. Check the IP rating on any pair before you take it near water.
are headphones water resistant
Do I need a phone to listen while swimming?
On the MOSSANTFUL, no — it carries 16GB of internal memory and plays MP3 files directly, and the brand notes Bluetooth is restricted in water, so MP3 mode is the mode you use when wet. On the Quidnuran, no internal storage or MP3 mode is listed, so plan on Bluetooth for your normal workouts and treat swimming as a sealed-durability feature rather than a phone-free playback mode.
If the pool is your priority, I'd take the MOSSANTFUL for its storage and its depth-and-duration water rating. If the gym, road and trail come first and swimming is occasional, I'd take the Quidnuran for its 28g frame, Bluetooth 5.3 and built-in mic. Either way, check the current price on Amazon before you commit, since both are sold there and pricing moves around.
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See also: RELAXYO Bone Conduction Swimming vs Kinglucky Sleep Earbuds, XPAU Bone Conduction Headphones vs RORSOU C6, GZCRDZ Bone Conduction Headphones vs Superlux HD681