1. Bluetooth version: 5.0
2. Speaker: 4ohm 5W
3. Transmission distance: about 10m
4. Frequency response: 20Hz-20KHz
5. SNR: >=85dB
6. Distortion: <1%
7. Working voltage: 3.7V
8. Charging voltage: DC5V
9. Charging interface: Micro USB
10. Battery capacity: 2000mAh lithium battery
11. Talking time: about 6h
12. Music time: about 4h
13. Standby time: >=30 days
14. Charging time: about 3h
15. USB output: 5V 1A
16. Size: 75*75*125mm
17. Material: ABS + Metal
