Altec lansing Headset ALGH9605

*Type Virtual 7.1 interface
*Headphone Driver Unit : 50 mm
*Frequency Response : 20HZ-20KHz
*Impedance 22Ω
*Speaker Sensitivity : 112 ±3dB
*Microphone: 100-10000Hz
*maximum power input : 35 mW
*Weight:285g
*Size:220（L）× 220（W）× 95（H）±0.2mm