New Private Model Conduction Inaudible True Wireless Bluetooth Headset Noise Reduction Ear Clip Ear Features: Flexible material is and not easy to deformRepeated use is still appearance, the skin does not hurt the ear automatic . Sound and picture synchronous output listen all day longThe tuning within the calibration, for the sound quality more excellent thousand yuan shock and delicate, low, medium and treble show.Karaoke song 360° stereo surround sound immersive experienceGraphene composite diaphragm has light weight,, optimized sound high frequency extension reflects more details, the metal cavity makes the sound more uniform, crisp, full. Sports sweat without fear of sweatingHigh-quality control, multi-process design head body daily life effectively sweat damage components. Special listening powerful power reserveUp to 100 hours of battery life, so powerful use, no fear of power failure, listen at any.40 mah headset power500 mah battery capacity The new generation of Bluetooth 5.3 stable transmission continuous connection10 meters transmission distance stable connection continuously with no delay. Composite diaphragm speaker HD sound decodingLarge moving ring speaker, with the international tuner to redesign the high, middle and low three frequencies, balanced restoration of sound layer. Product Description: Charging time: 1.5 hours Charging capacity: 500-n Bluetooth version: 5.3 Wireless distance: 10 meters Battery life: 80 hours What's included: 1* Bluetooth headset 1* Charging cable 1* Manual