2.4GHz Wireless Keyboard with Trackball and IR Remote is a superb keyboard combo. It is a 2.4 GHz mini wireless keyboard, Trackball and IR remote. The IR remote controller function let you easy and convenience to remote other home electric appliance, such as DVD Player, CD Player, TV, Air Conditioner, with the feature of IR learning and it can be quickly learn original code from other home electric appliance remote. It's portable and tiny design can be used for travel, school, or any other working environment. It is especially suitable for HTPC.