The Logitech M187 Wireless Mouse is extra-small and compact, allowingyou to slip it into your pocket, handbag, or purse. With advanced2.4 GHz wireless connectivity, it allows you to control your laptopwithin a range of 10 feet. Setup is quick and easy - you only haveto plug in the nano receiver and the wireless USB mouse is readyfor use. The nano receiver is designed to fit your USB port and canbe stored inside the mouse when not in use. This Logitech wirelessmini mouse is compatible with Windows XP, Windows Vista, Windows7, and Mac OS X 10.5, or later versions.