How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-23 · 7 min read · Independent comparison
• Yistao Gen 2 biggest strength: a complete package — charging case for up to 60 hours total playtime, IP68 sealing, Bluetooth 6.0 with instant case-open pairing, and dual EQ modes for music versus spoken word.
• Yistao Gen 2 biggest trade-off: it is the bulkier, more accessory-dependent option. The case alone measures roughly 9 x 7 x 2 cm and 75 g, so you are carrying a kit, not just a headband.
• mocodi biggest strength: a very light unibody band — about 0.8 oz — with a Ni-Ti alloy memory wire frame, button controls, active noise cancellation, and a switchable listening/amplifier mode for voices.
• mocodi biggest trade-off: battery life tops out around 9 hours per charge with no case to extend it, and the IP67 rating sits a notch below full immersion protection.
• Who each is for: pick Yistao Gen 2 for workouts, commuting, audiobooks and long days away from a charger. Pick mocodi for at-home and neighborhood use where comfort, low weight and hearing voices clearly matter more than total runtime.
The Yistao Gen 2 (model LibreFit Pro B8) is built around the idea that one headphone should cover your whole day. The headline number is 60 hours of average battery life, reached by combining the earbuds with a wireless charging case that holds four extra full charges. On its own, a full charge is listed at up to 15 hours of continuous listening, and a 5-minute top-up is rated for about an hour of playback. That is a genuinely useful profile if you are the kind of person who forgets to plug things in.
Comfort got attention too. The ear-contact surface uses liquid skin-friendly silicone instead of the harder plastic of the earlier version, which Yistao says cuts wearing pressure by about 40% and adds grip so the hooks stay put. The hook-shaped, open-ear design keeps your canal clear, and the IP68 rating means sweat, rain and even a rinse under the tap are not a problem. Connectivity is Bluetooth 6.0 with a 10-meter range and case-open instant pairing, and there is an 18-month warranty.
Buy it if you want one headphone for running, yoga, commuting and marathon listening sessions, and you value a case that keeps everything charged and protected. Skip it if you dislike carrying a case, want the lightest possible band on your head, or mainly need help hearing conversations around the house — that is not what this product is designed to optimize.
mocodi Bone Conduction Headphones: Who It's For
The mocodi (model WZ-18) reads like a different assignment entirely. Where Yistao chases runtime and audio tuning, mocodi chases lightness and clarity of speech. The whole headset weighs only about 0.8 oz, and the frame is a flexible titanium wrap-around design with a Ni-Ti alloy memory wire in the ear hooks. In practice that means it holds its shape, resists slipping, and stays comfortable for hours — the kind of thing you can put on in the morning and forget about.
The feature list leans toward everyday communication. There is a built-in HD microphone for calls, and a mode switch that flips between standard Bluetooth streaming and a sound-amplification listening mode. That combination — bone conduction for the highs plus air conduction drivers for the bass — is aimed at people who want to hear what is happening around them, whether that is a family dinner, a coffee shop conversation, or a walk through the neighborhood. The open-ear placement keeps your canal unobstructed so you stay aware of traffic and voices.
Durability is decent for daily life: IP67 water resistance handles rain and sweat, and the ABS/polycarbonate build with button controls is simple and predictable — push-button operation with active noise cancellation on board. Battery life is rated up to 9 hours of continuous use per charge, and there is no charging case in the box, just a cable and manual. Warranty is 1 year.
Buy it if you want a barely-there headband for around-the-house use, walks and conversations, and you or the person wearing it prefers physical buttons and a very low weight over app-style extras. Skip it if you need multi-day battery life, want a protective case, or plan to rinse your headphones under running water — IP67 is splash and sweat resistant, not built for immersion.
• Best for battery life → Yistao Gen 2. Up to 60 hours total with the case and 15 hours per charge versus mocodi's 9 hours with no case.
• Best for the lightest possible fit → mocodi. Around 0.8 oz on a memory-wire titanium frame is a different weight class from Yistao's case-and-buds setup.
• Best for water and sweat → Yistao Gen 2. IP68 outranks IP67 and is the one I would trust for heavy sweat, rain and cleaning.
• Best for hearing voices and conversation → mocodi. Its listening/amplifier mode, HD mic and clear-highs tuning are purpose-built for spoken audio and situational awareness.
• Best for music and audiobooks → Yistao Gen 2. Dual EQ modes and the 15 mm bone conduction driver with SonicBoost 2.0 give you a music profile and a speech profile in one product.
• Best for fast, fuss-free pairing → Yistao Gen 2. Bluetooth 6.0 with instant link on case-open is the more modern connection here.
• Best for simple controls → mocodi. Push-button control with active noise cancellation, no case to manage, no modes to learn beyond the listening/Bluetooth switch.
• Best for a gift for an older adult → mocodi. Light weight, voice-forward tuning and easy buttons line up with that use case; Yistao's case and EQ modes suit a more active, tech-comfortable user.
In my opinion, the Yistao Gen 2 is the one I would buy for myself. The combination of a 60-hour total playtime figure, IP68 protection, Bluetooth 6.0 and two EQ modes covers the widest range of real days — a run in the rain, a commute, an evening of audiobooks — without me thinking about charging. That said, if your priority is a nearly weightless band that helps you hear the people around you, the mocodi is the better fit, and I would recommend it without hesitation for that job. Match the headphone to your routine and either one will serve you well; just check the current price on Amazon before you commit, since that is the one thing specs cannot tell you.
how to bone conduction headphones work
They sit against the bone in front of your ear and send vibrations through your skull to the inner ear, bypassing the ear canal. That is why both of these are open-ear designs: your canal stays clear, so you hear your music and your surroundings at the same time.
how to wear bone conduction headphones
Hook the band over the tops of your ears and rest the transducers on the bone just in front of each ear, not inside the canal. On the mocodi, the Ni-Ti memory wire holds that position; on the Yistao Gen 2, the silicone contact surface adds grip so the hooks stay put during movement.
how to use bone conduction headphones
Charge them, pair over Bluetooth, then play as normal. The Yistao Gen 2 pairs instantly when you open its case and lets you switch between Music and Reading EQ modes; the mocodi uses push buttons and a switch between Bluetooth streaming and its sound-amplification listening mode.
The mocodi is the more call-oriented of the two, with a built-in HD microphone and a voice-focused listening mode. The Yistao Gen 2 has no listed noise control and its Reading Mode prioritizes vocal clarity, which also helps for spoken content and calls in quiet settings.
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