Wireless: V5.1
Wireless Range: Up to 10m
Rechargeable Lithium-lon Battery: 200mAh
Standby Time: Up to 70 hours
Working Time: Up to 9 hours
Charging Time: 1.5 hours
Speaker Unit: 40mm Rated
Impedance: 32ohm
Frequency Response: 20Hz - 20KHz
Input Voltage: 5V
BT Transmitted Power: -4.37 dBm
BT Frequency: 2402 - 2480 Mhz
Sound Pressure: WBCV(mV)
Right 287.6 Left 317.7