CHERRY GENTIX DESKTOP Wireless Desktop - USB Wireless RF 104 Key - English (US) - Black - USB Wireless RF Mouse - Optical - 2000 dpi - 6 Button - Scroll Wheel - Black - Multimedia, Windows Key Lock, Browser, Email, Calculator, Volume Up, Volume Down, Previous Track, Next Track, Play/Pause, Mute Hot Key(s) - Symmetrical - AAA - Compatible with Windows: