Fangrui Product Details 1. Ear Clip Type With Charging Warehouse Touch Bone Conduction Bluetooth Earphone 2. Bluetooth Version: V5.1 3. Speaker Specification: 10mm Moving Coil 4. Battery Capacity: Headset 75mah, Charging 150mah 5. Charging Port: Type-cusb-c 6. Use Time: About 10-12h, Standby Time About 90 Days 7. Bluetooth Distance: About 10-15m 8. Frequency: 20hz-20khz 9. Impedance: 32 Ohm 10. Sensitivity: 85dbmw 11. Waterproof Rating: Ipx 5 12. Weight: About 27g 13. Charging Compartment Size: Approx. 4 X 3.2cm 14. Features: 15. Lightweight And Compact, Not Tired Of Wearing For A Long Time, Clip-on Design, Refreshing And Breathable, To Avoid Damage To The Ear Canal 16. Adopt Pulse Dt3.0, Adaptive Directional Sound Transmission. 17. Fully Enclosed Body, Internal Components Sprayed With Waterproof Coating, External Thickened Platinum-plated Charging Needle, To Prevent Sweat Corrosion 18. Four-mic Enc Digital Noise Reduction, High-definition Calls, Strong Anti-wind Noise 19. Low Power Consumption, Low Latency, Stable Connection, No Delay In Games 20. Intelligent Touch Control, Easy To Operate