•Number of Controllers: 1•Controller Features: Plug and Play Technology, Scrolling Wheel, Ergonomic Design, Wireless•Wired Connectivity: Wireless, USB 2.0•Wireless Technology: Wireless USB•Number of Buttons/Keys: 2•Maximum Operating Range: Up to 82"•Mouse Speed: 1000 dpi•Operating System Compatibility: Windows 7, Mac OS X, PC, Windows, Windows Vista, Windows XP•System Requirements: USB Port•Model Compatibility: PC•Includes: USB Receiver, On/Off Switch•Power Source: Battery-Powered•Material: Plastic•Dimensions: 3.54 " L x 1.97 " W x 3.39 " T •Weight: 3.03 oz.•Warranty Description: 1 Year Limited Manufacturer Warranty•Battery Required, included: 1 alkaline AA