Enjoy a comfortable typing experience with the Solidtek KB-5010BP Mini Keyboard. This peripheral device features both a keyboard and a mouse trackball, delivering two essential functions in one compact size. It is designed to work with Windows 98, ME, 2000, XP, Vista and higher versions of Windows operating systems. The Solidtek Keyboard has 88 keys, twelve function keys and a numeric keypad as well as a built-in mouse. The computer gaming keyboard features a trackball that performs the function of a mouse, saving space and eliminating the need of an additional pointing device. The trackball keyboard will easily connect to your computer through its USB connector for easy installation.