Visit Amazon sites : br Vktech SADES Gaming Headset Retractable Mic Surrounding Sound (SA-903 Black)br br With the SADES USB headset you get impressive simulated 71 surround sound Enjoy yourself in the gameplay and experience br Sound effect71 simulated sound channels br Sensitivity111dB 3 dB at 1 khz br Impedance32 Ohm - 15 br Cable lengthApprox22m