Function: Appearance gradient support card insertion/FM/audio cable

1. USB charging: Type-C

2. Signal to noise ratio: 88db

3. Bluetooth link distance: 10 meters

4. Output power: 35mW

5. Bluetooth frequency: 2.401-2.480GHz

6. Charging time: 4 hours

7. Usage time: 8 hours

8. Standby time: 18 hours

9. Dynamic horn: 40mm

10. Battery capacity: 300mah

Function: Adjust volume, switch songs, answer incoming calls, reject incoming calls, hang up calls, Bluetooth playback, call replay, Bluetooth reconnection, voice prompt, battery level display, TF, EQ, pure English broadcast