... 3.Compatible with HTPC, IPTV, google TV FeaturesSystem Requirement:wireless virtual laser keyboardWindows 2000, XP, Vista, CE and 7 ... Mac operating systemsOperating frequency: 2.4GHz, DSSS band Maximum operating distance: 30m Latest developed 2.4G wireless, ultra-mini With ... backlight to help when using in dark environments Wireless 2.4G radio frequency with USB receiver World first 90° flips touchpad ...