7,Power Interface:5pin USB Charging

8,AUX Input:AUX:Support AUX audio input to play music

9,Bluetooth:2.1+EDR

10,Speaker Specifications:3W

11,Outpute :3W

12,Distortion:0.3%

13,SNR:>70%

14,Frequency Range:90Hz-180Hz

15,Battery capacity:3.7V 1200mAh

16,Audio playback time:6h

17,Size:95*95*57mm

18,Operation:Button /knob

19,Expansion card:Support

20,Card Information:TF

21,Operating temperature:-30-60