Logitech MK335 Wireless Keyboard and Mouse Combo - USB Membrane Wireless RF 2.40 GHz Keyboard - 117 Key - Black, Silver - USB Wireless RF Mouse - Optical - 3 Button - Black, Silver - Internet Key, Multimedia, Programmable, Email, Volume Control, Mute, Play/Pause, My Favorites, On/Off Switch, Previous Track, Next Track Hot Key(s) - AAA, AA - Compatible with Notebook, Desktop Computer (PC, Mac) Pack: