The Magic Mouse is the first consumer mouse to have multi-touch capabilities. Taking after the iPhone, iPad, iPod Touch, and multi-touch trackpads, the Magic Mouse allows the use of gestures such as swiping and scrolling across the top surface of the mouse to interact with desktop computers. It connects via Bluetooth and runs on two AA batteries (not Included). The mouse requires at least Mac OS X 10.5.8 or at least Windows 7. It can be configured as a two-buttoned left-handed or right-handed mouse, but the default is a single button. It uses laser tracking for increased pointer accuracy over previous generation Apple mice. Since its release, it has been included along with a wireless keyboard with the 2009 generation of iMacs, and with a wired keyboard with the 2010 Mac Pro workstations. It can also be purchased separately. This mouse is in excellent condition. First $20 or best offer.