Compact 87-Key Design--There are no additional number keys, and there is more desktop space for you to move the mouse to meet your needs in the office or at home. You will be happy with the space savings. Small gaming keyboard size: 13.5*5.5*1.2 inches Rainbow LED Keyboard--There are 2 lighting modes and 3 levels of brightness for you to choose from. Press light key: Static backlight/turn off; FN and light key: Dynamic backlight. Fn and PgUp: Adjust brightness plus; Fn and PgDn: Adjust brightness reduction. Please note that this keyboard backlight cannot be changed to one color HIGH PERFORMANCE MEMBRANE KEYBOARD--12 multimedia keys to facilitate your gaming operation or work efficiency. Interchangeable WASD keys and locking WIN key function improve your gaming performance. With 19 anti-collision keys, every click wont be lost, ensuring smooth typing