The HP Wireless Keyboard & Mouse combines a cordless keyboard, cordless optical mouse, & USB (Universal Serial Bus) wireless receiver in a single package. This stylish set delivers the convenience, comfort, & elegance of wireless keyboard & optical mouse operation to your HP notebook. It reduces the tangle & clutter associated with wired peripherals, regains valuable workspace, & places advanced functionality & ergonomic ease of operation at the users fingertips. Convenient Internet & multimedia buttons, as well as special keys that support the Microsoft Windows operating system & applications let users get things done quickly.