Azio KB555U Backlit Gaming Keyboard with Macro Keys (KB555U) Backlit, High Performing Gaming Keyboard - Adjustable keyboard backlight will keep the game going even when the lights go out. Programmable Macro Keys - 10 x 3 programmable macro keys. Use it as a hot key, a shortcut, a specific keyboard character, or a whole key sequence using the keyboard software. Macro keys can be edited to have up to 500 key sequences! Automatic Profile-Switching - With the launch of a program or press of a button, the keyboard will be right onboard with your game plan. Media Keys - Dedicated volume up/down/mute keys for seamless computer audio control. Lifetime Phone / Chat / Email Support & Warranty - Sleep easy knowing we have a dedicated support staff ready to assist you.