1)Support A2DP, AVRCP, Headset, Handfree profile
2) Output power: 3W
3) SNR: >=95dB
4) Frequency response: 280Hz-16KHz
5) Speaker drivers: 4 ohms
6) Built-in Rechargeable Battery, 520mAh
7) Bluetooth version: V2.1
8) Working distance: 10m
9) Speaker: 45mm
10) Support TF card
11) Working time: 5 hours
12) Size: 60 x 60 x 50mm