1）Material: ABS

2）Bluetooth: V 3.0 +EDR

3）Loudspeaker Power: 3W

4）Power: DC 5V- 100-120mA

5）Battery: 3.7v 400mAh lithium

6）Charging time: approx. 3 hours

7）S/N Ratio: >75db

8）Distortion: <1.0%

9）Operating time: approx. 6 hours

10）Transfer distance : ~10M (the distance depends on the bluetooth device and environment)

11）Product Size: 8.5x8.5x5.5cm

12）IPx4 Grade Waterproof

13）Product size: 8.5x5.5cm