Headset MARVO Scorpion H8321(Black/Red) Brand :MARVO Model :H8321 Frequency range :20 Hz - 20 KHz Impedance :32 Ω Sensitivity :118 dB ± 3 dB Cable length :2M Connector :2 x 3.5 mm jack Microphone :Type omnidirectional Size 6x5 mm Sensitivity Mic. :-58 dB ± 3dB - :sound : Stereo