Rubber sides for comfort and grip 8m wireless range (2.4 GHz) DPI button to instantly change your mouse speed (800-1600 dpi) Easy to use: just plug and go Ultra small USB receiver that can be stored inside the mouse Compact wireless optical mouse with comfortable shape Mouse Frequency band 2.4 GHz Recommended usage Laptop Scroll Yes Buttons type Pressed buttons Buttons quantity 3 Number of scroll wheels 1 Scroll type Wheel Movement resolution 1600 DPI Movement detection technology Optical Device interface RF Wireless Purpose Office Design Product colour Red Ergonomics Plug and Play Yes Wireless range 8 m Power Battery type AAA Number of batteries supported 1 Power source Batteries System requirements Mac operating systems supported Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion Windows operating systems supported Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional,