Sounder GCRT-X4 Stereo Music Bone Conduction Bluetooth Headset(Black)

1. Material: ABS, steel wire, electronic components2. Function: bone conduction, call function, support music, multi-point connection3. Bluetooth version: 5.04. Bluetooth protocol: A2DP/AVRCP/HSP/HFP5. Transmission distance: 10 meters6. Battery capacity: 150mAh7. Charging input: 5V/500mA8. Charging time: about 2 hours9. Playing time: 8 hours10. Waterproof grade: IP511. IP5 waterproof, waterproof, sweat-proof and splash-proof12. Using memory titanium alloy skeleton, it can be bent at will without distortion13. True bone conduction, internal vibrator sound14. One-key operation, more convenient to use