The K55 RGB is your first step towards enhanced performance. Intuitive RGB backlighting modes, 6 dedicated macro keys, multi-key anti-ghosting, and on-the-fly media controls provide the customization and control essential for victory. CUSTOMIZATION, CONTROL AND READY TO GAME - Intuitive RGB backlighting modes, 6 dedicated macro keys, multi-key anti-ghosting and media controls provide the customization and control essential for victory. The K55 RGB is your first step towards enhanced performance. THREE-ZONE DYNAMIC RGB BACKLIGHTING - 10+ vivid RGB lighting modes allow you to choose between multicolor static backlighting or immersive lighting effects. 6 PROGRAMMABLE MACRO KEYS - Assign single keystrokes or complex multi-key combos to any of the 6 dedicated macro keys, on-the-fly, without any additional software required to be installed. DEDICATED VOLUME AND MULTIMEDIA CONTROLS - Adjust your audio without interrupting your game with direct access to volume and media playback. QUIET AND RESPONSIVE KEYS - Minimum noise and satisfying feel without sacrificing performance. MULTI-KEY ANTI-GHOSTING - Your commands and simultaneous keystrokes register the way you intended.