Mechanical Gaming Keyboard 104 keys Clicky Backlit Chroma Dimmable RGB LED Keyboard Anti-Ghosting with Blue Switches (Black) Blue RGB Mechanical Switches - Great gaming performance with tactile feedback and an audible click for typing Detachable full length wrist rest - Soft touch design that's comfortable for hours of play and easy to remove if it gets in your way 100% Anti-Ghosting with 104 Key Roll-over on USB - Every keystroke translates into accurate game play Anodized Black Brushed Aluminum Chassis - Professional-Grade look and feel plus the rugged durability needed for hours of gaming Press FN + "+"/"-" to adjust the running speed,total 25 levels for adjustment,press and hold FN key to make it from level 1 to level 25;Press FN + ""/"" to adjust the luminance of the backlight