Specification :

Speaker: 40mm Dynamic type
Impedance: 32 ohm
Sensitivity: 105dB±4dB
Frequency: 50~20000Hz
Max. Input Power: 100mW
Microphone: Condenser type
Polar Pattern: Omni-directional
Sensitivity: -58dB±3dB(OdB=1V/¼Bar at 1KHz),
-38dB±3dB(0dB=1V/Pa at 1KHz)
Frequency: 50~16000Hz
Cord Length: (2.3M) ±5%
Connector: 3.5mm stereo plug*2