The HP 2.4 GHz Wireless Keyboard and Mouse combines a cordless keyboard, cordless laser mouse, and USB wireless receiver in a single package. Reduces the tangle and clutter associated with wired peripherals, regains valuable workspace, and places advanced functionality and ergonomic ease of operation at your fingertips. Supplies a high level of comfort and stress-free responsiveness. The mouse has a convenient scroll wheel that accelerates Web and document navigation. The wheel also functions as a third button.