Specification :

* BT Version:5.0                                        

* Chipset: JL                           

* Support：HFP、HSP、A2DP

* Max playing time :    About 5 hours

* Stand by:350  hours

* Distance <=10M                                               

* Battery Capacity:  50 MAH

* Battery Capacity of charging box: 350mAh

* Speaker:6mm (S06-16-33)

*Sensitivity:103dB+/-5dB

*Frequency Range: 20Hz -20KHz