1)USB Input Voltage :5V
2)Charging: 2hrs
3)Battery:350mAh
4)Speaker rated power : 3W
5)Battery Voltage : 3.7V
6)SNR :90HZ-20K/65dB
7)Compatible with A2DP\AVRCP High quality stereo audio
8)Transmission and remote control protocol
9)Frequency Response :2.4000GHZ--2.4835GHZ
10)Distance : 10M
11)Function:Bluetooth/AUX/FM/TF/Handsfree/USB