No need to keep the lights on! The KBGL2 luminescent keyboard glows a cool blue color so using the keyboard in the dark is a breeze. The On/Off switch allows you to choose if you want the backlight keys on or off. Great for gaming or working in low-light conditions. Looks great in the day or night. Powered by the USB port. Comes with hot keys for quick launches and media control. 1 Year Warranty. The Offspring KBGL2 USB Glow Full-Size Keyboard combines the functionality of a full-size premium multi-media keyboard with the fun of bright blue glowing keys. The keyboard keys are lighted when the USB cable is plugged in to a powered USB port, no batteries required. The lighted keyboards have become increasingly popular because they allow you to work (or play) on the computer without the lights on to see the keys on the keyboard.