1. Lightweight and comfortable, HIFI sound effect, high-definition call, composite diaphragm, intelligent connection
2. Comfortably fit both ears, noise-reducing lightweight earphone membrane
3. Three functions: radio, answering calls, music
4. Bluetooth protocol: 5.1
5. Function: battery display, call function, voice control, support music, multi-point connection
6. How to use: earplug style
7. Transmission distance: 10 meters
8. Standby time: 120 hours
9. Life time: 4 hours
10. Waterproof rating: IPX7
11. Screen resolution: 80×160
12. Power supply mode: USB charging / built-in lithium battery
13. Battery capacity: 40mAh
14. Power: 5W
15. Voltage: 5V
16. Current: 1A