Adesso Industrial Compact Scissor-Switch Touchpad USB Keyboard for Windows (AKB-421UB) Layout: 105-Key US Layout Key Type: Scissor-Switch Indicators: Num Lock, Caps Lock & Scroll Lock Internet Hotkeys: Homepage, E-mail, Back, Forward, Search Multimedia Hotkeys: Play/Pause, Stop, Prev Track, Next Track, Volume Up, Volume Down & Mute Connection: USB Windows 8/7/Vista/XP/2008/2003/2000