Get the best of both worlds with the masterkeys pro l and pro s the brightest leds and the best tactile feeling that gamers have come to love we completely redesigned the interior to fit both cherry mx switches and big fat leds that can radiate 167 million colours you also get on the fly macros profile support and easy to use software all in a sleek minimalistic design cooler master engineers went to work on how to effectively design a keyboard with superior switches and the brightest led back