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