MANHATTAN Eclipse USB Mouse (177757) UltraTrack technology provides precise, accurate performance on nearly any surface - including clear glass Innovative touch-sensitive, wheel-free scrolling and control 2.4 GHz technology offers wireless freedom with effective range up to 10 m (33 ft.) Auto power management helps maintain battery levels On-board storage compartment protects USB receiver from loss and damage Compact size and ambidextrous shape Low-friction base smoothly glides over work surfaces Plug and Play installation - Windows and Mac compatible