Speaker:
Driver unit:50mm
sensitivity:105dB+/-3dB-
 Impedance: 32Ohm
Frequency response:20Hz-20000kHz
Maximum Power Input:30mW
Microphone:
Driver unit:6.0*5.0mm
 sensitivity:62dB+/-3dB
 Impedance:2.2k Ohm
Wire length:2.2m
*material:plastic
*Anti-bending PVC headband(flexible style)
*Adjustable microphone
*leahter headset cap
*Strong PVC cable
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