1. Phantom Optical mouse No batteries required no tangled wires and its ultra compact size make the KMO 140BK Optical Mouse the perfect companion for people always on the go Use on an airplane tray a tiny desk or wherever space comes at a premium Its ambidextrous design with soft grip sides allows you to use it comfortably in either hand Boasting the latest in optical technology the KMO 140BK ensures accurate cursor control and smooth tracking on virtually any surface Retractable cord Front view Ambidextrous design pcessentials Specifications Type 3D 3 button wireless optical mouse Technology Optical sensor CPI Resolution Selectable 800 dpi or 1000dpi Micro switch Two million life cycles Interface USB Cable Retractable 70 cm cord Dimensions WxDxH 56x100x37mm System requirements Windows XP Vista 7 or Mac OS X available USB port