1.BT Version:V5.3 

2.Speaker Diameter:φ32mm

3.Frequency Response:20Hz-20KHz

4.Sensitivity:86dB

5.Size:φ45*60mm

6.Speaker Impedance:4Ω

7.Output Power:2W

8.Battery Capacity:200mAh

9.Playing Time:2H

10.Charging Type: Typc-C

11.Transmission Distance: > 10 meters

12.Charging Time:1-2H