1.Support A2DP,AVRCP, Handsfree profile,waterproof

2.Bluetooth Version:2.1

3.Working Range:Up to 10 metes

4.Dimension:  85x85x45MM

5.Net Weight:230g

6.Speaker:45mm

7.Loudspeaker Output:3W

8.Frequency Response:280HZ-16KHz

9.Signal-to-Noise:≥95dB

10.Distortion: ≤0.5%

11.Battery Voltage/Capacity:820MAH

12.Battery Charging Voltage:5V±0.5V

13.Battery Charge Time: 2hours

14.Connect two phones at the same time