Adesso AKB-430UG WinTouch Pro USB full size multimedia touchpad keyboard (Dark Grey/Black) Palm Rest: Integrated Normal Keys: 107 Function Keys: 4 Internet Hotkeys (Home, Search, Favorites & E-mail) 5 Multimedia Hotkeys (Mute, Vol-, Vol+, Stop & Play/Pause) Operating System Supported: Windows 2000/ XP/ Vista Parts: 1 year limited