This Sabrent USB-AUDD 3D Audio Sound Card Adapter is a highly flexible audio interface, which can be used with either laptop or desktop system. No driver required, plug-and-play for instant audio playing and compliant with all mainstream operation systems. Simply Plug the Sound Adapter into your USB port, and then plug your headphones into the Adapter. Features * 3D stereo USB audio adapter. * USB 2.0 Hi-Speed specification. * Backward compatible with USB 1.1 * Connectors: USB type A, stereo output jack, microphone input jack. * Function keys: microphone-mute, speaker-mute, volume-up, volume-down. * LED indicators: microphone-mute status, activity. * No external power required. * Plug & Play, no drivers needed. System requirements * windows 8, * Windows 7, * Windows Vista, * Windows XP, * Mac OS 8.6 or above What"s in the box? * USB audio sound adapter * USB extension cable