How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a wireless everyday training partner that keeps you aware of traffic and pairs instantly with your phone, choose PSIER Bone Conduction Headphones; if you need a self-contained, fully submersible music player for the pool, choose Pmjebe Bone Conduction Swimming.
• PSIER's biggest strength: Bluetooth 6.0 with a 33 ft range, 60 ms low latency and 13 mm bone conduction drivers — a true wireless headphone for gym, running and outdoor use.
• PSIER's biggest trade-off: No water-resistance rating in the specs, and no onboard music storage, so it depends entirely on a paired phone.
• Pmjebe's biggest strength: IPX8 depth waterproofing plus a built-in 8 GB MP3 player, so it works with no phone and no signal — exactly what swimming demands.
• Pmjebe's biggest trade-off: Bluetooth cannot travel through water, so underwater listening is MP3-only; you manage your library by cable from a PC or Mac.
• Who PSIER is for: Anyone who wants open-ear awareness and wireless audio on land, all day.
• Who Pmjebe is for: Swimmers, divers and watersport athletes who want music in the water without carrying a phone.
PSIER's pitch is simple: keep your ears open, keep your music on. The fully enclosed cavity design and updated acoustic sealing are claimed to cut sound leakage by up to 50%, which matters if you listen in a quiet office or on a shared commute and don't want to broadcast your playlist. The open-ear structure means nothing blocks your ear canal, so you still hear cars, cyclists and gym announcements. That's the core reason people pick bone conduction over sealed earbuds in the first place.
The hardware is aimed squarely at movement. A flexible memory-titanium frame holds the shape around your head without clamping, and an adjustable strap lets you dial the fit for different head sizes — a real plus if you wear a cap, helmet or ponytail. The specs list a 13 mm bone conduction driver with 90 dB sensitivity, which points to a reasonably loud, balanced presentation with crisp treble and detailed mids. Bluetooth 6.0 handles pairing, gives a 10-meter (33 ft) working range and keeps latency at 60 ms, which is low enough that audio stays roughly in step with video — useful for treadmill sessions or watching something on a tablet between sets.
Pmjebe Bone Conduction Swimming: Who It's For
Pmjebe solves a problem most headphones can't: Bluetooth signals don't travel through water. Rather than pretend otherwise, the S3 simply builds the music in. There's a built-in MP3 player with 8 GB of storage — the sheet claims space for thousands of songs — and it accepts MP3, WAV, FLAC and WMA files. You connect it to a Mac or PC over USB and drag and drop your library across. Then you swim with no phone, no signal and no interruptions.
The waterproofing is the headline: an IPX8 professional depth rating, which is a genuinely different class from splash resistance. That opens up swimming, diving, surfing and skiing, and the design is meant to sit alongside a swim cap and goggles. Sound comes from a 13.8 mm bone conduction vibrator that transmits through the cheekbones to the cochlea, so your ears stay completely open. In a noisy pool, the sheet notes you can add earplugs to improve perceived sound quality — a sensible tip, because open-ear audio competes with water noise.
Comfort and control are thought through for mid-stroke use. It's a lightweight 50 g unit with an ergonomic, close-to-the-ear fit that hangs rather than clamps, and three large tactile buttons you can find by feel. There's also a shuffle mode so you can refresh your playlist without stopping. Battery life is listed at 8 hours, which covers a long session or several shorter ones. Who should buy it? Swimmers, triathletes and watersport athletes who want music underwater. Who should skip it? Anyone who mainly wants wireless Bluetooth audio on land — underwater, the S3 is MP3-only, so if you expect to stream from your phone in the pool, this isn't the tool for the job.
Side-by-Side: Which Should You Choose?
• Best for pool and open-water swimming → Pmjebe Bone Conduction Swimming (IPX8 depth rating plus built-in 8 GB MP3 player).
• Best for running, gym and outdoor awareness → PSIER Bone Conduction Headphones (open-ear design, Bluetooth 6.0, 33 ft range).
• Best for low-latency video and gaming-ish listening → PSIER (60 ms latency).
• Best for extended comfort on land → PSIER (memory-titanium frame, adjustable strap, no ear-canal pressure).
• Best for harsh water and sweat exposure → Pmjebe (IPX8 waterproof and sweatproof).
• Best for swimmers who wear a cap and goggles → Pmjebe (designed to be worn with both).
• Best for all-day everyday use → PSIER (Bluetooth 6.0 pairing, button controls, two-year warranty description).
If I had to pick one for the way most people actually train, I'd buy the PSIER Bone Conduction Headphones. It covers the widest range of daily situations — gym, road, trail, commute — with wireless audio, low latency and a fit that adjusts to your head. In my opinion it's the better all-rounder. That said, if you swim, the Pmjebe Bone Conduction Swimming isn't a compromise, it's the correct tool: IPX8 waterproofing and 8 GB of built-in music are things PSIER simply doesn't offer. Buy the one that matches your sport, not the one with the longer feature list.
how to bone conduction headphones work
They send vibrations through the bones of your skull — typically the cheekbones — directly to the cochlea, bypassing the eardrum. That's why both products here keep your ear canals open, so you can hear your surroundings while music plays.
how to wear bone conduction headphones
Set the transducers against your cheekbones just in front of your ears, with the band running behind your head. PSIER's frame is memory titanium with an adjustable strap for different head sizes; Pmjebe's 50 g S3 hangs close to the pinna and is designed to sit alongside a swim cap and goggles.
how to use bone conduction headphones
Pair PSIER over Bluetooth 6.0 and use its push buttons for playback. With Pmjebe, load MP3, WAV, FLAC or WMA files onto the built-in 8 GB by USB from a PC or Mac, then use the three tactile buttons and shuffle mode in the water — Bluetooth won't work underwater, so switch to MP3 mode.
how to bone conduction headphones stay on while swimming
They rely on a snug, contoured fit rather than ear-canal sealing. Pmjebe's model is IPX8 rated, lightweight at 50 g and shaped to be worn with a swim cap and goggles, which is what keeps it stable through strokes and turns.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.
See also: 10 o'clock Ai Language Translation vs GOWENIC Earbuds, Lenpos Headset Adapter vs EARLA TEC Replacement Aux Cable, HyperGear Over-Ear Headphones vs GadgetNova Silicone Bow Headphone, Rydohi Headphones Over Ear vs JBUNION Active Noise Cancelling