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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-26 · 6 min read · Independent comparison
• MOSSANTFUL's biggest strength: an IPX8 rating plus a built-in 16GB MP3 player, so you can listen underwater without a phone anywhere nearby.
• MOSSANTFUL's biggest trade-off: Bluetooth is restricted in water, so swimming means switching to MP3 mode, and the spec sheet doesn't list a microphone for calls.
• JNXIKOU's biggest strength: IPX7 sweat/dust/moisture protection, Bluetooth 5.3, and a built-in mic with touch controls for music and phone calls.
• JNXIKOU's biggest trade-off: it's explicitly not suitable for underwater swimming, so it's a land-and-sweat headphone, not a pool headphone.
• Pick MOSSANTFUL if you swim laps, dive, or want music in the pool without carrying a phone.
• Pick JNXIKOU if you run, cycle, hike or take calls and want a modern, connected open-ear headset.
The MOSSANTFUL model K7 is, in my reading of the spec sheet, a purpose-built swim tool first and a headphone second. The headline number is IPX8: it can be submerged up to 3 meters for a continuous 30 minutes without damage. That's a different category of protection than "sweatproof." It's the difference between a headphone you wear in the rain and one you wear through a set of freestyle. The open-ear, bone-conduction design keeps your ear canal clear, so you still hear what's happening around you — useful in a busy pool or open water.
The feature that makes it genuinely practical for swimming is the 16GB of built-in memory and MP3 playback. Because Bluetooth doesn't travel well through water, MOSSANTFUL tells you plainly to use MP3 mode when swimming. That's not a flaw so much as the honest reality of the physics involved. You load your tracks onto the headphone, leave the phone in your bag, and the audio is stored on the device itself. When you're back on dry land, Bluetooth 5.0 takes over for normal wireless listening from your phone or other devices.
The build is aimed at staying put: soft silicone with a 360° bendable frame that adapts to different head shapes, so it should hold its position while you're moving through the water rather than sliding off. If you swim regularly — laps, open water, even snorkeling-adjacent activity — this is the design brief that matters. Who should skip it? If you mainly want a headset for phone calls, Zoom, or cycling with turn-by-turn audio, the MP3-first, swim-first design isn't optimized for that, and the sheet doesn't list a mic. This is a swimmer's headphone.
The JNXIKOU model WEJ-236 is the more conventional open-ear sports headphone, and it's built around connection and convenience. It uses bone conduction to send vibrations through your cheekbones to your inner ear, with a stated frequency range of 20Hz–20,000Hz and a focus on balanced audio and bass. Like the MOSSANTFUL, the open-ear hook design means you keep awareness of traffic, people and terrain around you — the whole point of open-ear for runners and cyclists.
Where it pulls ahead for land sports is Bluetooth 5.3. It's a newer generation than 5.0, and JNXIKOU emphasizes lower power consumption, a stronger signal and better anti-interference. In practice, that usually means a more stable connection around crowded areas where 2.4GHz traffic is busy. There are touch controls on the earbuds for changing songs, adjusting volume and taking calls, and there's a built-in mic — so it works as a headset, not just a music player. It's compatible with phones, computers, TVs and tablets, and there's no headphone jack, so it's wireless-only by design.
The protection here is IPX7 with a sweatproof and dust/moisture-resistant emphasis. That's excellent for hard workouts, rain, and heavy sweating. The catch is spelled out directly: it is not suitable for underwater swimming. IPX7 means it can survive immersion in certain conditions, but JNXIKOU doesn't position it as a swim headphone, and you should take that at face value. Who should skip it? Swimmers who want music in the pool. For running, cycling, hiking and working, though, the combination of newer Bluetooth, touch control and a mic makes it the more versatile daily driver.
• Best for swimming → MOSSANTFUL Swimming Headphones. IPX8 (3m for 30 minutes) is the only rating here meant for actual submersion.
• Best for phone calls → JNXIKOU Open Ear Headphones. It has a built-in mic and touch controls; MOSSANTFUL's sheet doesn't list a mic.
• Best for phone-free listening → MOSSANTFUL Swimming Headphones. The 16GB of built-in storage and MP3 playback mean you don't need a device at all.
• Best for modern wireless stability → JNXIKOU Open Ear Headphones. Bluetooth 5.3 over Bluetooth 5.0, with a focus on lower power draw and stronger anti-interference.
• Best for running, cycling and hiking → JNXIKOU Open Ear Headphones. IPX7 sweat/moisture protection plus open-ear awareness is exactly the land-sports brief.
• Best for heavy sweat and rain → a tie, with an edge to JNXIKOU. Both resist water, but JNXIKOU leans into sweatproof sport use, while MOSSANTFUL is rated for full submersion.
• Best for fit flexibility → MOSSANTFUL Swimming Headphones. The 360° bendable silicone frame is designed to adapt to different head shapes and stay put in motion.
• Best for pool + gym all-rounder → MOSSANTFUL Swimming Headphones, as long as you accept MP3 mode in the water.
If I had to buy one, I'd pick based on the single question that actually separates these two: do you get in the water? If yes, I'd buy the MOSSANTFUL Swimming Headphones — IPX8 submersion plus 16GB of built-in MP3 storage is a combination built for exactly that, and nothing about the JNXIKOU's IPX7 rating is meant for underwater use. If you never swim but you run, ride, hike or take calls, I'd buy the JNXIKOU Open Ear Headphones instead: Bluetooth 5.3, touch controls and a mic make it the better everyday headset. In my opinion, these aren't really competitors — they're two answers to two different questions. Match the headphone to your activity and you'll be happy with either.
are headphones waterproof
It depends on the rating, and both of these carry one. The MOSSANTFUL Swimming Headphones are rated IPX8, meaning they can be submerged up to 3 meters for 30 continuous minutes. The JNXIKOU Open Ear Headphones are rated IPX7 for sweat, dust and moisture, but JNXIKOU states they are not suitable for underwater swimming. So "waterproof" here means water resistance for the JNXIKOU and genuine submersion tolerance for the MOSSANTFUL.
are headphones water resistant
Can I use the MOSSANTFUL Swimming Headphones for phone calls?
The spec sheet doesn't list a microphone for the MOSSANTFUL, so I wouldn't count on it as a calling headset. It's positioned around swimming, MP3 playback and Bluetooth music, with media controls rather than call controls. If calls matter to you, the JNXIKOU's built-in mic and touch controls are the better fit.
On paper, the JNXIKOU Open Ear Headphones. They use Bluetooth 5.3, a newer generation than the MOSSANTFUL's Bluetooth 5.0, and JNXIKOU highlights lower power consumption and stronger anti-interference. The MOSSANTFUL still offers solid Bluetooth 5.0 for dry-land listening, but if stable wireless is your priority, the newer chip wins. As always, check the current price on Amazon before you commit.
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See also: Rumatas Swimming Bone Conduction vs AOTONOK Open Ear Headphones, JVC Nearphones HANP1TA vs ZORIOXI Open Ear Headphones, QXUFV Open Ear Headphones vs MIPOW x Miffy Miffy