Cooler Master cm Storm Suppressor (SGK-3002-KKMF1-US) Fully programmable dedicated macro keys, 5 profiles up to 75 macros Brilliant full backlighting White LEDs with 3 levels of brightness for the perfect illumination Detachable wrist rest for enhanced comfort 64-Key Rollover function for anti-ghosting Dedicated Multimedia Keys for quick media control A 32-bit ARM processor for a quicker macros command in editing, saving, and execute all 75 macros