Driver unit: 30mm
Sensitivity: 98+3db
Frequency Response : 20Hz~20KHz
Max.Input Power: 100mW
Impedance: 320
Bluetooth Version: V4.0
Operating Range: 10m(No Obstacles)
Output Power: 20mW
Operating Voltage Range: 3.3V-4.2V
Standby Time: 420h
Talk Time: 9h
Charging Time: 1.5h