SADES SA901 Over Ear USB Wired 7.1 Surround Noise Cancelling PC Gaming Headset with Microphone (Black/Blue)

SADES,with over 20 years of professional production experience and strong technical force,is outstanding in the circel of gaming peripherals ,devoting whole life to provide highest standard and professional gaming accessories. Company with its own industrial park and 250 R&D technicians for modeling, structure design, electronics, user interface, and software,has introduced lastest advanced modernization production assembly line ,the check-out facility,and automatically mechanized production equipments,more while being both lead-free and environmentally responsible.ISO9001,ISO14001,CE,ROHS,SVHC,FCC,UL,FDA are certified.  Specifications: 1.Mic Dimension:?6.0*5.0mm  2.Sensitivvity:-62dB±3dB  3.Directivity:Omnidirectional  4.Impedonce:?2.2K?  5.Driver Diameter:?40.0mm  6.Impedance:32?  7.Frequency Response:20Hz-20KHz  8.Sensitivity(S.P.L)?111dB±3dB  9.Input Plug Diameter:?USB  10.Cord length:Appr.3 meters Package includ: 1x Sades SA901 headset (blackblue)