... . Any key to wake up. Built-in rechargeable lithium-ion battery, powered by USB port. LED indicators. Low power comsumption, up ... to 5000 hours standby time. Snap-in USB receiver. Compatible with PC, laptop, tablet PC, Google TV, IPTV, SmartTV, PCTV, HTPC, Projector ... . Any key to wake up. Built-in rechargeable lithium-ion battery, powered by USB port. LED indicators. Low power comsumption, up ...