... up. Built-in rechargeable lithium-ion battery, powered by USB port. LED indicators. Low power comsumption, ... Google TV, IPTV, PCTV, HTPC, Projector, etc. Ideal for entertainment, conference, lecture, presentation etc.Specification:Dimension:150mm * ... current: < 300mA Operating System Compatibility: Windows 2000/XP/Vista/7/Linux, Android Color: BlackPackage:1 x ... 3 in 1 Mouse Trackball For Windows Google