This mini wireless Lenovo Trackball WIFI Keyboard (N5901) offers a very convenient way to communicate with your PC by way of a tiny USB dongle. The palm-sized Lenovo WIFI Keyboard with track ball and 2.4GHz radio frequency will definitely improve your word-processing experience. This miniature keyboard does not require any extra efforts for installation and has as far as 10 metres control distance. This supremely user-friendly keyboard is equipped with windows multimedia control and amazingly enough has removable holiday skins. So, get ready to work for long hours in your computer with this user-friendly Lenovo Trackball WIFI Keyboard.