Logitech Harmony 650 Remote Number of Devices Supported: 8 Backlit Buttons: Yes Color: Silver System Requirement: Windows-based PC Windows XP, Windows Vista, Windows 7 or Windows 8 USB port Internet access Mac computer Mac OS X 10.6 or later USB port Internet access Battery Type: 2 AA batteries What is in the box: Remote control USB cable 2 AA batteries User documentation