How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want an open-ear headset that keeps you aware of traffic and your surroundings while you play on your Switch, choose Fenpos Bone Conduction Headphones; if you need in-ear buds with a charging case, a low-latency game mode and a big battery reserve for marathon handheld sessions on your Switch, choose JBMI Earbuds. Both are IPX5 waterproof headphones, so sweat and light rain are not the deciding factor here — the deciding factor is how you like to wear your audio.
• Fenpos Bone Conduction Headphones — biggest strength: open-ear bone conduction design with situational awareness, a dual front/rear mic setup and up to 10 hours of playback from a single charge.
• Fenpos Bone Conduction Headphones — biggest trade-off: nothing goes inside your ear, so there is no passive isolation at all, and there is no charging case to top the battery back up.
• JBMI Earbuds — biggest strength: true in-ear buds with 13mm dynamic drivers, four noise-cancelling microphones, a 60ms low-latency mode and up to 60 hours total with the charging case.
• JBMI Earbuds — biggest trade-off: they seal your ears, which is great for focus but bad for hearing a car, a teammate or a doorbell, and the per-charge runtime is shorter than the Fenpos set.
• Who each pick is for: Fenpos for runners, cyclists and anyone who wants their ears open; JBMI for commuters, call-heavy users and gamers who want sealed, bass-forward sound.
The Fenpos set is built around one idea: your ears stay open. Instead of pushing a driver into your ear canal, it sits on your cheekbones and sends sound through bone conduction. That single design choice explains almost everything else about it. You can hear your music and still hear the world around you, which is exactly why the spec sheet points at running, cycling and daily commutes as the natural home for it. If you have ever pulled an earbud out at a crosswalk just to check whether something was coming, this is the category that solves that problem.
The audio side is more capable than the open-ear format usually suggests. Fenpos lists SBC and AAC decoding, a "heavy bass" tuning and stereo Hi-Fi playback, plus dual noise reduction from a front and a rear microphone. In practice that means the mic array is doing the work on calls — picking up your voice while pushing down ambient noise — rather than relying on a seal around your ear. The ergonomic, lightweight build (26 g) and the open-ear fit are aimed at long sessions, and the 10-hour battery with Type-C fast charging covers a full day of sport or commuting without a top-up. Bluetooth 5.4 and a 10-metre wireless range are standard-modern, and the push-button controls handle play, pause, calls and voice-assistant activation.
Who should buy it: runners, cyclists, walkers, warehouse and outdoor workers, and anyone who wants to stay situationally aware while listening. The open-ear shape also makes it a decent fit for long wear if in-ear buds start to irritate your canal after an hour.
Who should skip it: if you want deep, sealed bass, or you mainly listen on a noisy train or plane where you need isolation, this is not the tool. Bone conduction deliberately lets the outside world in, and no amount of tuning changes that. If you want a case that recharges your buds on the go, Fenpos does not offer one — it is a single-piece headset you charge directly.
The JBMI Earbuds go the opposite direction: everything goes in your ear, and everything is about sealing sound in and noise out. They use 13mm dynamic drivers with composite biofiber diaphragms and a 20Hz–20,000Hz frequency range, which is the classic recipe for a bass-forward, "live concert" style presentation. Four noise-cancelling microphones work together on calls, which is a genuinely high count for a set of buds in this class, and the spec sheet explicitly calls out crystal-clear call quality. If you take a lot of calls, that microphone array is the headline feature.
The gaming angle is where these get interesting. JBMI lists a 60ms low-latency mode, and that is the number to care about if you are pairing buds with a handheld console — 60ms is the kind of latency where lip-sync and button-press audio stay close enough to feel natural rather than laggy. Add Bluetooth 5.4, SBC and AAC support, mono and stereo modes for sharing, and touch controls with volume adjustment, and you have a flexible everyday pair. The battery story is the other big one: roughly 8 hours per charge (6–7 hours is the stated real-world figure at 60% volume) and up to 60 hours total with the charging case, plus a 10-minute quick charge that buys an hour of play. An LED display on the case shows remaining power at a glance, which is a small thing that matters more than people expect.
Comfort is handled with multiple eartip options for different ear canals, and the ABS/PE build keeps the weight down. IPX5 waterproofing covers sweat, splashes and rain.
Who should buy it: commuters, office and call-heavy users, gym-goers who want sealed sound, and anyone who games on a phone or handheld and wants low-latency audio without a big over-ear headset.
Who should skip it: if you need to hear traffic, coworkers or your surroundings while listening, sealed in-ear buds are the wrong answer. And if you dislike the feeling of something sitting in your ear canal for hours, the Fenpos open-ear approach will suit you better.
• Best for staying aware of your surroundings → Fenpos Bone Conduction Headphones (open-ear bone conduction, no ear canal blockage).
• Best for bass and sealed, immersive sound → JBMI Earbuds (13mm dynamic drivers, 20Hz–20,000Hz).
• Best for total battery life → JBMI Earbuds (up to 60 hours with the charging case vs 10 hours on the Fenpos).
• Best for a single-charge workday without a case → Fenpos Bone Conduction Headphones (10 hours continuous).
• Best for low-latency gaming on a handheld → JBMI Earbuds (60ms low-latency mode).
• Best for call clarity in a noisy room → JBMI Earbuds (four noise-cancelling microphones vs Fenpos's dual front/rear mic).
• Best for running and cycling safety → Fenpos Bone Conduction Headphones (situational awareness is the whole point).
• Best for sharing audio with someone else → JBMI Earbuds (mono mode lets you hand one bud over).
In my opinion, the right pick comes down to whether you want your ears open or sealed. For a Switch setup where you are playing handheld around the house, on a commute or on the couch and you want deep bass, low latency and a case that keeps you going for days, I would buy the JBMI Earbuds. The 60ms latency mode, the four-mic array and the 60-hour total battery make it the more versatile everyday pair, and it is the one I would hand to most people who just want one set of wireless headphones to do everything.
But if you are the kind of person who plays or trains outdoors and refuses to be deaf to the world, the Fenpos Bone Conduction Headphones win by default — no in-ear bud can match that open-ear awareness, and 10 hours of playback with IPX5 protection is plenty for a long ride or a long session.
are headphones waterproof
Not usually in the literal sense, and neither of these two claims to be fully submersible. Fenpos is rated IPX5, which means it resists sweat, rain and water spray but is not designed to be submerged. JBMI is listed as IP5-level waterproof with protection against splashes and sweat. Treat both as gym-and-rain safe, not swim safe.
are headphones water resistant
Yes — both of these are water resistant rather than waterproof, which is the more accurate description. Fenpos uses IPX5 with sweatproof materials and a multi-process sealed body to keep rain and sweat out of the internals. JBMI uses IP5-level protection for splashes, sweat and light rain. For running, commuting or working out, that level of resistance is what you actually need.
For a handheld Switch, the JBMI Earbuds have the edge because of the 60ms low-latency mode and the sealed in-ear fit, which keeps game audio locked to the screen. The Fenpos set works too, but its open-ear design means outside noise mixes in, and there is no low-latency figure listed for it.
JBMI wins on total runtime: about 8 hours per charge and up to 60 hours with the charging case, plus a 10-minute quick charge for an hour of use. Fenpos gives you 10 hours from a single charge with Type-C fast charging and no case, so it wins on single-charge endurance but not on total capacity.
JBMI lists four noise-cancelling microphones working together for clear calls, while Fenpos uses a dual front-and-rear mic array with noise reduction. Both are built for calls, but on paper JBMI's four-mic setup is the more aggressive noise-rejection design — which matters most in loud places.
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