Features Illuminated Backlit Keys: The Illuminated Backlit Keyboard lets you choose your backlit color with one key press. Choose red, green or blue and easily adjust brightness up or down to suit your personal space, and mood.. The gentle illumination allows you to work comfortably, day or night, while easing eyestrain. See the correct keys in any lighting environment.. Ergonomic Design: The design of this keyboard with split key zones and gently sloped shape encourages natural position of hands, wrists, and forearm in maximum comfort for long use.. Quiet Membrane Key Switches: Membrane key switches provide a better tactile response and a quieter typing experience. Plus they last up to five million keystrokes..