YX02 With Digital Display Hanging Ear Bone Conduction Bluetooth Headset(Black)

1. Bluetooth version: V5.22. Transmission distance: about 10 meters3. Chip: Jerry 69764. Battery capacity: 90mAh5. Charging time: about 1h6. Use time: about 10-12h7. Charging interface: USB8. Voltage: 3.7V9. Frequency: 20Hz-20KHz10. Impedance: 32 ohms11. Sensitivity: 85dB12. Waterproof rating: IPX513. Weight: about 10.9gFeatures:1. LED power display, clear power usage at any time2. Built-in CVC noise reduction technology, effectively shield the surrounding environment noise, reduce interference during calls3. USB charging interface, convenient and quick4. Not into the ear design, comfortable and safe to wear5. Key operation, convenient and quick