Klip Xtreme PC Audio Stereo headset with mic KSH-320
 
Headphone
Speaker dimension:  φ40mm
Cable length: 7.25 ft
Connection type: Double 3.5mm stereo
Frequency: 20 - 20.000Hz
Impedance: 32Ω
Maximum power output (P.M.P.O.): 150mW
Rated power: 15mW
Sensitivity: 105dB ± 3dB/mW (S.P.L. at 1kHz)
 
Microphone
Unit: φ6,5mm
Frequency: 30-16.000Hz
Sensitivity: -58dB ± 2dB
Standard operating voltage: 3V
Type: Omnidirectional