1.Bluetooth V2.1+EDR
2.Frequency range:20Hz-20Khz
3.Distortion: less than 0.5%
4.Operation distance: 15-25m
5.Output power:2*6W
6.SNR: more than 70db
7.Battery Capacity: 1800mAh
8.Working Voltage:3.3V-4.2V
9.Charging Voltage: DC 5V
10.Charging time: 3-4 hours
11.Playing time:6-8 hours
12.size:87*95*400mm