Simple to set up and use High definition optical tracking (1000 dpi) Full size comfort Ambidextrous design Built with quality and design. It is compatible with Windows XP, Windows Vista or Windows 7 Mac OS X 10.4 or later Linux kernel 2.6 or later USB port Package Contents Mouse User documentation. You can just plug the cable into a USB port and use it right away. You cant go wrong with precise optical tracking. You get the quality and design we have built into more than a billion mice.