Driver unit:40mm
Sensitivity:105±3db
Frequency Response:20Hz~20KHz
Max.Input Power:30mW
Impedance:32
Bluetooth Version:V5.2
Operating Range:10m(No Obstacles)
Output Power:15mW
Operating Voltage Range:3.3V-4.2V
Standby Time:200h
Talk Time:9h
Charging Time:2h
Battery capacity:180mAh
Charging Specifications:USB/mirco