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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want an open-ear headset for running, cycling, gym work and calls on dry land, choose LOBKIN Bone Conduction Headphones; if you need headphones that can actually go underwater with you, choose KESIEME Swimming Headphones. That's the whole decision in one line, and everything below explains why I'd split them that way.
• LOBKIN's biggest strength: a true Bluetooth-first everyday sports headset — Bluetooth 5.4, a 16mm bone conduction driver, dual Music/Game modes, a built-in mic for calls, and 10 hours of playtime per charge at just 28 grams.
• LOBKIN's biggest trade-off: the IPX5 rating covers sweat and rain only. It is explicitly not a swimming headphone, and LOBKIN states it is not suitable for underwater use.
• KESIEME's biggest strength: genuine IPX8 waterproofing plus built-in 32G memory, so it can store and play music without a phone — down to around 2 meters underwater in MP3 mode.
• KESIEME's biggest trade-off: Bluetooth cannot transmit through water, so the wireless part of the spec is meaningless once you submerge. You're relying on the offline memory mode for the swim itself, and it's the heavier unit at 37 grams.
• Pick LOBKIN if you want one comfortable open-ear pair for running, cycling, hiking, the gym and phone calls, and you never plan to swim in them.
• Pick KESIEME if swimming is the whole point, or if you want a headset that keeps working when you deliberately leave your phone behind.
The LOBKIN set is built around one idea: keep your ears open and your phone connected. Sound travels through vibrations rather than into your ear canal, so nothing presses on the inside of your ear during a long run. That's the practical benefit of the open-ear design — you still hear traffic, other runners and your surroundings, which matters more than any spec sheet on a busy road.
Who should buy it: runners, cyclists, hikers, gym-goers and anyone who takes calls mid-workout and wants to stay aware of what's around them. The IPX5 anti-corrosion coating handles sweat and rainy-day commutes fine.
Who should skip it: swimmers, full stop. IPX5 is splash and sweat resistance, not submersion protection, and LOBKIN says so directly. If you want to wear headphones in the pool or the sea, this is the wrong product — no amount of careful use changes a rating.
KESIEME Swimming Headphones: Who It's For
The KESIEME pair exists for the scenario LOBKIN rules out: getting in the water. The headline spec is IPX8, which the brand describes as deeply waterproof and resistant to sweat, moisture and dust, with support for listening to downloaded songs at depths of up to 2 meters. That's the feature that separates these two products more than anything else.
The catch is worth understanding before you buy. Bluetooth genuinely cannot transmit through water, and KESIEME says this plainly — underwater you have to switch to MP3 mode. That's why the built-in 32G memory matters so much. You load your own tracks onto the headset, leave the phone in your bag or on the poolside, and the headphones play from internal storage. In Bluetooth mode you get version 5.4 and a 15mm bone conduction driver, with active noise cancellation listed among the controls.
Battery figures need reading carefully, because the sheet gives two numbers: the bullet points mention 6–8 hours of continuous music on a single charge, while another line describes a 200mAh battery delivering 10+ hours at 60% volume. Real-world results sit somewhere in that range depending on how loud you listen. A full recharge takes about 2 hours over Type-C. The unit weighs 37 grams — noticeably more than the LOBKIN — and uses a wraparound titanium frame. In the box you get swimming earplugs, a storage bag and a cable, which tells you the brand expects pool and open-water use.
Who should skip it: anyone who mainly wants the lightest possible everyday headset for calls. The extra weight and the memory-first workflow are there for the water, and if you never swim, you're paying in grams and convenience for a feature you won't use.
Side-by-Side: Which Should You Choose?
• Best for swimming → KESIEME Swimming Headphones. IPX8 and 2-meter underwater playback in MP3 mode; LOBKIN is IPX5 and explicitly not for underwater use.
• Best for battery life → LOBKIN Bone Conduction Headphones. A clean 10 hours with a 2-hour charge, versus KESIEME's 6–8 hours on one line and 10+ hours at 60% volume on another.
• Best for light weight → LOBKIN Bone Conduction Headphones. 28 grams against 37 grams is a real difference on a long run.
• Best for phone calls and gaming → LOBKIN Bone Conduction Headphones. A built-in mic plus dedicated Music and Game modes with low latency.
• Best for leaving your phone behind → KESIEME Swimming Headphones. The 32G of internal memory means no phone required at all.
• Best for noise handling → KESIEME Swimming Headphones. It lists active noise cancellation; LOBKIN lists no noise control.
• Best for sweat, rain and gym sessions → either one. Both are fine here; LOBKIN's anti-corrosion coating is aimed squarely at sweat.
• Best for a single do-everything pair → LOBKIN Bone Conduction Headphones, as long as "everything" doesn't include the pool.
My Verdict
No. LOBKIN rates them IPX5 and states they are not swimming headphones and not suitable for underwater use. They handle sweat, gym use and rain, nothing more.
No — Bluetooth can't transmit through water, and KESIEME says so directly. Underwater you need to switch to MP3 mode and play songs stored in the built-in 32G memory.
The LOBKIN pair, in my opinion. It's 9 grams lighter, gives 10 hours of playback, and adds a mic plus a low-latency game mode. The KESIEME works for running too, but its strengths are aimed at the pool.
Both recharge in about 2 hours. LOBKIN quotes that time against a 10-hour battery; KESIEME quotes it for a 200mAh battery rated at 10+ hours at 60% volume, or 6–8 hours of continuous music in its other stated figure.
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