Sepecification (Headset Section)
Speaker Dimension : 40mm
Impedance : 32mega
Sensitivity: 103dB S.P.L at 1KHz
Frequency Response : 20Hz-20,000Hz
Rated Power : 100mW
Power Capability : 1000mW
Cable Length : Apporox x 2.5m
Plug Type: 3.5mm Streo

Sepecification (Microphone section)
Microphone Unit : 9*7mm Dia. Electret condenser
Microhpone Directivity : Ommi Direction
Sensitivity : -58dB 3dB
Impedance : Low
Frequency Response : 30Hz to 16,000Hz
Standard Operation Voltage : 3V