Verbatim Silent Ergonomic Wireless Blue LED Mouse Features Truly silent mouse featuring Silent Technology, silent click switches, and rubber covers Ergonomic design with thumb support lets you work all day with ease Adjustable DPI button – easily switch between 800, 1300 and 1600 DPI Side back/forward buttons – easily navigate between pages in your browser 2.4Ghz wireless connection for lag-free performance Blue LED technology allows for use on virtually any surface with precision and control Plug-and-forget nano receiver connects mouse to computer Compatible with Mac and Windows 1-year limited warranty Overview Colour:Blue Compatibility:Mac and Windows platforms Interface:USB-A Pack Contents:Mouse, Nano Receiver, 1 x AA Battery