AULA LED Backlit Gaming Keyboard (3 Colorways) Special three colors LED backlight, every backlight have four gear to adjust Laser carving characters, cool backlight Non-slip design Game ergonomic Strengthen the spacebar/born for game Overheating of the keyboard can cause the it to be less sensitive to type. If so, please turn off the computer and remove the keyboard to give off heat, then line in the keyboard and turn on the computer.