... 2.4G wireless keyboard 3.Compatible with HTPC, IPTV, google TV FeaturesSystem Requirement:wireless virtual laser keyboardWindows 2000, XP, Vista, CE ... 2.4GHz, DSSS band Maximum operating distance: 30m Latest developed 2.4G wireless, ultra-mini With receiver and middle touchpad and blacklit ... theater, multimedia instruction and teaching 2.4G wireless virtual laser multimedia keyboard with touchpad