Cool Corlorful Rainbow Backlight Brightness Adjustable Mechanical Gaming Keyboard Blue Mechanical Switches with Wrist Rest,Great Present for Pro gamer Enthusiasts Cool design,Blue Mechanical Switches,dedicated multimedia keys Great gaming performance with tactile feedback and an audible click for typing Seven rainbow colors can display,FN+SL can make 9 kinds of lighting mode can be choosed,FN+/,backlight brightness adjustable Very clear and bright buttons,you can enjoy yourself in the dark night without the lamp US-layout,Compatible with Windows98/ME/NT/XP Vista Win7/8 Mac,no need driver