We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-28 · 6 min read · Independent comparison
If you want a safety light built into the headset and dual sound modes you can switch on the fly, choose KLKE Open-Ear Bone Conduction; if you need longer battery life, a lighter frame and a higher waterproof rating, choose ZOVIMAX Bone Conduction Headphones.
• KLKE Open-Ear Bone Conduction – biggest strength: a rear safety warning light plus Indoor/Outdoor sound modes, which makes it the more purpose-built pick for night running, cycling and hiking.
• KLKE Open-Ear Bone Conduction – biggest trade-off: 10 hours of playtime and a 3-hour charge, plus IP66 rather than the higher IP67 rating, so it gives up a little endurance and water protection.
• ZOVIMAX Bone Conduction Headphones – biggest strength: up to 12 hours of playtime from a 2-hour charge, a 29 g titanium-frame build and IP67 protection, with an LED battery display.
• ZOVIMAX Bone Conduction Headphones – biggest trade-off: no built-in safety light and no listening-mode switch, so the feature set is narrower even though the core specs are stronger.
• Buy KLKE Open-Ear Bone Conduction if visibility and situational sound tuning matter more to you than raw battery numbers.
• Buy ZOVIMAX Bone Conduction Headphones if you want the lighter, longer-lasting, more water-resistant headset for sweaty or rainy training.
KLKE's headset is built around outdoor awareness in low light. The rear safety warning light is the standout detail — a bright orange lamp on the back of the band that improves how visible you are to drivers when you run, cycle, hike or walk the dog after dark. That is not a gimmick spec; it is the single feature that separates this pair from most open-ear headsets, and it is the reason I would point a night cyclist here first.
The second thing KLKE does well is adapt its sound profile. A single button flips between Indoor Mode, which leans toward balanced clarity, and Outdoor Mode, which pushes more bass. Around that sits an all-in-one transducer design intended to deepen low-frequency response while keeping the open-ear structure comfortable. The fit is open-ear with a PU (polyurethane) enclosure in white, so your ear canal stays unblocked and you keep hearing traffic and surroundings. Calls run through a microphone paired with the bone conduction driver, and Bluetooth 5.0 gives you a 10-meter wireless range with no headphone jack.
Battery is a claimed 10 hours of continuous playtime with a 3-hour charge, and the sweatproofing is rated IP66 — fine for rain spray and heavy sweat, but not the top tier. Controls are physical push buttons rather than touch, which I actually prefer with gloves on. If you want the safety light, the mode switch and button control, KLKE is the fit. Skip it if your priority is squeezing out the longest possible runtime, the lightest possible frame, or the best water resistance — the ZOVIMAX has the edge on all three.
ZOVIMAX approaches the same open-ear idea from the endurance side. The headline numbers are 12 hours of continuous music playback from a 2-hour charge, and a 29 g body built on a flexible titanium frame with a non-slip silicone coating and an elastic ergonomic headband. That combination — light, springy, grippy — is exactly what you want when you are moving hard and don't want to think about your headset. The design also accounts for glasses and helmets, so the band stays stable without pressing on your temples.
The audio story is a dual-driver architecture that blends bone conduction with air conduction, splitting low and high frequencies across two sound paths for fuller bass, clearer vocals and a more balanced presentation. Connectivity runs on Bluetooth 6.0 with a low-latency Game Mode for audio-visual sync, and you can connect two devices at once — handy if you want your phone and laptop both live. An LED display on the headset shows remaining battery, which removes the guessing game before a long session.
Protection is IP67, so rain and heavy sweat are squarely in scope, and the anti-corrosion coating is easy to wipe down. The trade-offs are honest ones: there is no rear safety light, no Indoor/Outdoor mode switch, and the colour listing is black only. Buy ZOVIMAX if you want the lighter, longer-running, more water-resistant headset with dual-device pairing and a battery readout. Skip it if a built-in visibility light is the reason you are shopping in the first place.
Side-by-Side: Which Should You Choose?
• Best for night visibility → KLKE Open-Ear Bone Conduction. The rear safety warning light is unique to this pair and directly targets low-light running, cycling and dog walking.
• Best for water and sweat protection → ZOVIMAX Bone Conduction Headphones. IP67 beats IP66 for rain and heavy sweat sessions.
• Best for tuning sound to your environment → KLKE Open-Ear Bone Conduction. The one-button Indoor/Outdoor switch is a genuine convenience for people who move between the gym, the office and the road.
• Best for long-wear comfort during intense movement → ZOVIMAX Bone Conduction Headphones. At 29 g with a titanium frame, silicone coating and elastic headband, it is built specifically for glasses and helmets.
• Best for multitasking across devices → ZOVIMAX Bone Conduction Headphones. Dual device connection plus a low-latency Game Mode covers calls, music and gaming.
• Best for checking power at a glance → ZOVIMAX Bone Conduction Headphones. The LED display shows remaining battery without a voice prompt or an app.
• Best for simple, physical controls → KLKE Open-Ear Bone Conduction. Push-button control is easy to operate mid-run, especially with gloves.
If I were buying one of these for myself, I would take the ZOVIMAX Bone Conduction Headphones. In my opinion the core specs decide it: 12 hours instead of 10, a 2-hour charge instead of 3, IP67 instead of IP66, and a 29 g titanium frame designed around glasses and helmets. Those are the things I notice every single session, whereas the safety light is something I would only miss on night rides. That said, the KLKE is the smarter buy if you genuinely train after dark — the rear light and the Indoor/Outdoor switch are features ZOVIMAX simply does not offer. Check the current price on Amazon before you commit, because that is the one variable that can flip this call.
For general running, yes in my view — it is lighter, lasts longer and carries the higher IP67 rating. The KLKE pulls ahead specifically for night running thanks to its rear safety light.
ZOVIMAX lists up to 12 hours of playback from a 2-hour charge. KLKE lists up to 10 hours from a 3-hour charge, so ZOVIMAX wins on both runtime and recharge time.
That is exactly what it is designed for. The rear safety warning light improves nighttime visibility, and Outdoor Mode boosts bass while the open-ear fit keeps you aware of traffic.
IP67 is the higher of the two. ZOVIMAX carries IP67, so it handles rain and heavy sweat with more margin; KLKE's IP66 still covers sweat and spray, just with less headroom.
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