This Sabrent AU-2X35 2.1 Audio Sound Card Splitter Adapter is a highly flexible audio Splitter, 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 Splitter Adapter into your USB port, and then plug your headphones into the Adapter. Dual Aux Jacks for Shared Audio This Sabrent AU-2X35 offers you a multi-user audio experience wherever you go. The Splitter Adapter allow you to connect two sets of headphones so you and a friend can together enjoy a movie from the same laptop on a plane ride. Parents will appreciate it for keeping the kids entertained on family road trips or during airport travel. 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