This SABRENT AU EMCB 2.1 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. 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 2 Feet Extension USB cable. High performance USB 3.0 extension cable extends the connection between a computer or Windows tablet and both USB 3.0 and USB 2.0 peripherals including hard drives, USB hubs, mice, keyboards, flash drives, printers, and more. Upgrade to SuperSpeed USB 3.0 and future proof your data transfer rate while maintaining backward compatibility with your existing USB 2.0 dices. Enjoy SuperSpeed USB 3.0 data transfer rate at up to 5 Gaps, 10x faster than USB 2.0. Features shielding that provides protection against noise from electromagnetic and radio frequency signals, keeping your signal clear with less loss of bandwidth for higher performance.