Features: Extreme Durability High speed and responsiveness Blue Mechanical Switches up to 50 million keystrokes . Integrated cradle holds your phone ,Tablet well when you are playing game. Keycap Laser etching &UV coationg protect it from fading. DIY the Backlit 5sets Backlit modes :FN+Prtsc=Exchange the Backlit modes, FN+Arrow keys to control the brightness. 3 sets programmable macro +4sets Giveaway keys +Key cap Puller.