Cheapest Computer Headset (SY-HP-08) 1.Frequency Response:500~20,000Hz 2.Impedance:32 ohm ... .Sensitivity:99dB 4.Approx:160g Cheapest Computer Headset (SY-HP-08).Features:It is soft and comfortable, good function, convenientThe simple ... of the extension cord;150cm Cheapest Computer Headset (SY-HP-08)