GEEZER Blacklit Mechanical Gaming Keyboard with Blue Switches - 104 Keys Wired USB Keyboard with 6 Color LED Blacklight - 26 Anti-ghosting Keys &hellip; (MS01) 6 colors automatic altering. 6 buttons ,including Wheel Key, Left Button, Right Button, Page up, Page down, DPI Switcher. Adjustable DPI: 1000/1600(default)/1800,use "DPI" button to switch the speed . Frame Rate: 4000 Frame/sec . Compatible with PC, Mac, windows XP, and Vista and Win 7,and Win 8 .