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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-25 · 6 min read · Independent comparison
• Ttbesmi Skin Tone Over — biggest strength: a true wireless pair with a charging case, Bluetooth 5.4, dual mics with environmental noise reduction, and an LED display that shows the remaining charge as a number.
• Ttbesmi Skin Tone Over — biggest trade-off: it's a two-piece earbud setup with earhooks, so there's more to keep track of, and its IPX5 rating covers sweat and rain but not full submersion.
• Gzwxovb X14 — biggest strength: a single wrap-around bone conduction headband at just 25g, with a claimed 50% reduction in sound leakage, 2-hour Type-C charging, and 60ms audio latency.
• Gzwxovb X14 — biggest trade-off: 9 hours of playtime on one charge with no charging case, Bluetooth 5.3, and no listed noise control for calls.
• Pick Ttbesmi if you want a case, a battery readout, and a sporty hook fit you can wear for hours.
• Pick Gzwxovb X14 if you want the lightest possible open-ear headband and fast top-ups before a run.
The Ttbesmi Skin Tone Over is built around one idea: stay aware of your surroundings while you move. It uses an open-ear design with earhooks that sit over your ears rather than inside them, and the brand leans into the "air bone conduction" label to describe that open listening style. The ergonomic body is shaped to spread weight evenly, which is the part that matters most for runners and cyclists — a hook that stays put when you shake your head is worth more than any spec sheet number.
What stands out to me is the charging case with the intelligent digital LED display. Instead of guessing from a blinking dot, you see the remaining battery as a number from 1% to 100%. Each charge runs about 4 hours, and the case extends that to roughly 20 hours total — enough for a full day of music if you're the type who forgets to plug things in. Bluetooth 5.4 is the newer chip here, and the dual microphones with environmental noise reduction are aimed squarely at phone calls, so it doubles as a headset for work or errands.
Who should buy it: outdoor athletes, commuters, and anyone who wants an open-ear set with a case, a battery display, and touch controls for play/pause, volume, tracks, and voice assistant. It supports Siri and AAC calls and works with any Bluetooth device. Who should skip it: if you'd rather not deal with two separate earbuds, or you want a single headband you can hang around your neck, this isn't that product. Also note the IPX5 rating protects against sweat and rain, not swimming or heavy submersion.
The Gzwxovb X14 is the classic bone conduction headband, and its whole pitch is simplicity. It transmits sound through the cheekbones with a fully enclosed cavity design that the brand says cuts sound leakage by about half. At 25g it's light enough that long wear shouldn't cause ear fatigue, and because nothing goes inside your ear canal, you keep your awareness of traffic, other runners, and your surroundings.
The spec that jumps out is the 60-millisecond audio latency. That's the number that matters for video and gaming, where lag between picture and sound gets annoying fast. The brand also pairs that with ultra-low latency and a stable connection in its description. Charging is handled over Type-C and takes about 2 hours, and the built-in battery is rated for up to 9 hours of playtime — a full day of commuting or a long outdoor session, but not a multi-day trip without a charger.
Who should buy it: runners, cyclists, and commuters who want one lightweight piece, fast charging, and low latency for calls or video. It works for remote video conferences too, with a noise reduction function aimed at hands-free calls. Who should skip it: if you want a charging case that tops the battery back up on the go, or you need the extra call clarity of dual mics, this one keeps things minimal — 9 hours, one charge, no case listed. The headset is also Bluetooth 5.3 rather than 5.4, and there's no active noise control beyond what the call processing provides.
• Best for total battery life → Ttbesmi Skin Tone Over. 20 hours with the case versus 9 hours on a single charge for the X14.
• Best for battery visibility → Ttbesmi Skin Tone Over. The digital LED display shows an exact percentage; the X14 doesn't list one.
• Best for the lightest wear → Gzwxovb X14. 25g on a single headband, versus a two-piece hook design.
• Best for fast charging → Gzwxovb X14. About 2 hours to full, versus 4 hours for the Ttbesmi.
• Best for low-latency video and gaming → Gzwxovb X14. 60ms audio latency is explicitly listed.
• Best for calls → Ttbesmi Skin Tone Over. Two microphones with environmental noise reduction, versus a general noise reduction function on the X14.
• Best for newer Bluetooth → Ttbesmi Skin Tone Over. Bluetooth 5.4 versus 5.3.
• Best for a single-piece, grab-and-go setup → Gzwxovb X14. No case, no pairing between two buds, just one headband.
If I were buying for myself, I'd take the Ttbesmi Skin Tone Over. The case with the numeric battery display, the dual-mic call setup, and the newer Bluetooth 5.4 chip cover more of my day — workouts, calls, and commuting — without me thinking about charging. The X14 is the better pick if lightness and fast charging matter more than a case, and at 25g with 60ms latency it's genuinely compelling for runners who hate bulk. But for most people who want one open-ear set that handles everything, I'd go Ttbesmi. Check the current price on Amazon before you decide, since that's the one thing specs can't tell you.
FAQ
how to wear air conduction headphones
Hook the earpieces over the top of your ears so the driver rests just outside the ear canal, not inside it. The Ttbesmi Skin Tone Over uses earhooks for exactly this fit, and the open design is what lets you hear traffic and people around you while music plays.
Power them on, pair over Bluetooth, then use the touch controls for play/pause, volume, track changes, and voice assistant. Both models here are touch-controlled and pair wirelessly — the Ttbesmi auto-connects when you open the case and auto-charges when you drop the buds back in.
how to put on air conduction headphones
Slide the headband or hooks into place so the transducers sit against your cheekbones or just in front of your ears, then adjust until the weight feels even. The X14 weighs 25g and the Ttbesmi is built with an ergonomic weight distribution, so both are designed to sit still during movement.
how to pair goodmans air conduction headphones
Put the headphones in pairing mode and select them from your phone's Bluetooth list. Note that pairing steps vary by brand — for the two models compared here, the Ttbesmi uses Bluetooth 5.4 and the Gzwxovb X14 uses Bluetooth 5.3, and both list a working range of roughly 10 meters.
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See also: MAMALADY Open Ear vs Xmenha Single Open Ear: Air Conduction, Fanisic Bone Conduction Headphones vs VoKinroad Headphones Over Ear, Dan&Dre Earphones Lightweight Noise vs Bewinner Air Conduction Headpho