Wireless multimedia desktop keyboard features a design that combines large, easy access hot keys and functional support for commonly used tasks. 18 hot keys are designed for easy use of Media Play, Internet browsing and PC functions. The Media Player functions include stop, play/pause, previous, next, volume up, volume down, and volume mute. Internet browser functions are refresh, back, forward, and My Favorites. PC functions include open mail client, hibernate/sleep, search, My Computer, My Documents and calculator. Keyboard includes a wireless optical mouse. System requirements include Windows XP, Windows 2000 or Windows Vista.