Features: Strong compatibility:for almost headphones, earphones, microphones, gaming headsets and so on. It can convert your headphones to 7.1 channel environment. Sound card structure: Port include USB, 3.5 mm (4pin) and 3.5mm 2x3pin headphone and microphone input Standard USB connection replaces traditional sound cards. No driver required,plays Auditory instantly. Can be used on desktop PC laptops, game consoles, and other device enhances the sound of game, movie, and music. Specifications: Color: Black Product Attributes: External USB computer gaming sound card Sound card sound: virtual 7.1channels Sound card cable length: 7.50cm/2.95in Total length of sound card: about 18cm/7.09in Specification: USB Package Includes: 1Set USB7.1 Sound Card note: Due to problem of light effects,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurements