Operating System: Windows XP (Note: might work with other versions of this os.)
Before downloading: Run Free Scan for Instant Driver Updates
HP Internet Keyboard with One Touch buttons. 21 buttons total across the top. Left to right they are Sleep, Help, HP.com, Printer, My Documents, Shopping, Sports, Finance, Connect, Search, Chat, E-mail, Stop, Backtrack, Play, Fowardtrack, Eject, Volume up, Volume down, Mute, and MusicNote.
Hope this helps....