Your Winning Streak Starts Now: Everything you need to start your winning streak is here. Enjoy quiet, responsive keypresses and RGB that makes your gaming sessions shine. Ten-Zone RGB Backlighting: Ten zones of fully customizable RGB illuminate your desktop with mesmerizing lighting effects. Convenient Media Controls: Four dedicated media buttons give you the ability to control volume and playback with ease, and Win lock and brightness buttons put extra commands at your fingertips. 300ml Spill Resistance: K55 CORE withstands drink spills, so you can play without worrying about real-life water attacks. 12-Key Rollover with 1,000Hz Polling: Make sure your keyboard keeps up with your best plays and most complex actions without delay.