The NMediaPC Wireless Mini - 2.4 GHz RF Remote Keyboard
Enjoy the freedom of wireless with NMedia's wireless mini Keyboard and
Remote with Optical trackball. The optical trackball provides accuracy with
minimal hand movement due to its 800 dpi resolution. Take complete control
of your desktop with hotkeys that give you quick access to some of your most
common tasks, such as the volume control, launching your web browser or
e-mail. The included RF receiver easily connects to your computer's USB port.