Professional 3 Colorful LED Backlit USB Wired Gaming Keyboards Adjustable 6 Multi-function Shortcut Keys Illuminated Ergonomic Keyboard White Color USB Interface No Software,Illuminated Keys Responsive Keys, Compact, Quiet design, And Feel Good Brightness Of LED Backlit Can Be Adjusted And Closed With 6 multi-function keys to enhance you work efficiency, the win key can be lock by shortcut keys System Support: win9x, 2000, ME, XP, VISTA, Win7, Win8