The Classy Red optical wheel mouse is designed in a way that you play, surf and do more smartly on the desktop, laptop or notebook. You can operate the mouse with your either hand as it fits well in your palm. You can comfortably move your hand. It is compatible with Windows 98, 2000, ME, XP, Macintosh system with Mac OS X or later. You can put the mouse on an even plane and so text selection, accurate tracking, navigating and more with ease.