Modelkotion each g9000 usb 71 cable lengthcm22m materialplastic typeheadband general usegaming functiongaming volume control dj with microphone noise cancelling sports communicationwired connectorsusb memory capacitynone speaker diameter40mm speaker sensitivitydb108db3db at 1khz speaker frequency response15hz 20khz microphone unit60 50mm microphone spl 383db microphone impedancekohm22k driver typemoving coil sound channel71 brandkotion each