1. 7.1 sound channel,delivers thrilling surround sound with separately adjustable levels 2. Foldable, omni-directional, microphone A.Reduce distracting background noise B.Easy to rotate to best position for clearest voice pick up C or out of the way when you are not talking 3. On-cable sound and microphone control,easy-to-use volume dial and mute switch 4. With LED light look more cool and fashionable 5. PU leather cushion head pad A.Soft earcup covers designed to keep your ears comfortable B.Breathable material helps reduce heat and moisture build up Parameter Brand: Sades Model : SA C 903 Color : White, Black,Red Wearing type : Headband Feature: 7.1 surround sound Function : Noise Cancelling, Microphone, Voice control Connectivity : Wired Connecting interface : USB Application : Computer Plug interface: USB Cable length : 3.0m Driver unit: 40mm Frequency response : 20~20KHz Impedance : 32ohms Microphone impedance : 2.2K Input power: Max 30mW