E-3lue Horizon 1750dpi 2.4ghz Notebook Slim and Portable Wireless Mouse (Blue Edition)
Resolution adjustable DPI: 500/1000/1750 Size: 111 x 62 x 23mm Weight: about 60g Button Life: 3 million times. wireless effective Distance: 6-15m Frequency: 2.4GHz Compatible with Windows XP, Vista, Windows 7, ME,2000 Battery:2 AAA batteries(NO INCLUDE)