Stunning RGB / LED Modes: Featuring 16.8 million colors, 22 pre-programmed backlight modes, 6 speeds, and 5 brightness levels - The possibilities are brilliant and endless with this rainbow keyboard. Customize color, effect, speed, direction, and brightness with included software Customizable Dynamic Rim: Customize the rim backlight separately; everything from color, effect, speed, direction, and brightness, independent of other keyboard backlit modes Easy Macro Recording: Create a script of key presses assigned to one button for instant, mighty attacks, spell-slinging, or executing a lengthy combo in a snap N-KEY Rollover: Experience unlimited use of keys and anti-ghosting during gameplay. Each keypress is individually detected, no matter how many simultaneous key presses occur Kailh Brown Switches: Brown Kailh mechanical keyboard switches are tactile with a soft click for light feedback, great for quieter gaming and typing, plus a durable life span of 50 million keystrokes