1. Voice chat, communication without distance
2. It is clearer to answer calls at a distance of 10 meters
3. High-definition HIFI sound quality, enjoy music
4. Volume adjustment, easy to control
5. Sweat-absorbent, non-slip, skin-friendly and breathable
6. Removable and washable, USB charging port
7. Charging time: 2 hours
8. Playing time: 6-7 hours
9. Standby time: 48 hours
10. Function: battery display, call function, voice control, support music
11. How to use: head-mounted
12. Channel: stereo
13. Bluetooth protocol: 5.0
14. Power supply: USB charging / built-in lithium battery
15. Battery capacity: 180mah
16. Transmission range: 10 meters
