7.1 usb sound card delivers thrilling surround sound with separately adjustable levels.40mm diameter hifi speaker has high sensitivity and accurate sound reduction, letting you receive any detail of sound and experience a realistic game battlefield. you can greatly enjoy the games. cool led light design, adding charm in game playing, look more fashionable.the headset have 2 different connector.1. with 7.1 surround sound: only 1 usb connector, only support windows system, no support linux, ? work for android phone ( need otg function, need adapter) / laptop / pc / tablet.2. no 7.1 surround sound: 1*3.5mm connector, 1*usb connector1 of them for sound, 1 of them for microphone. work for ps4 / xbox / computer / laptop / tablet.