ZEALOT S31 10W 3D HiFi Stereo Wireless Bluetooth Speaker, Support Hands-free / USB / AUX / TF Card (Gray Blue)

1. Bluetooth version: 5.0
2. Speaker: 5W*2
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 4h
15. USB output: 5V 1A
16. Size: 180*58*58mm
17. Weight: 0.33kg
18. TF extension: 32GB(not included)