TNI Rainbow Backlit Gaming Keyboard with 4 Colors Rainbow LED 19 Keys no Conflict Multimedia Control Keys Mechanical Feel Waterproof (2018) Unique rainbow backlit design with convenience multimedia control keys Support 19 keys no conflict, customize buttons for gaming to improve accuracy and comfort Laser engraving buttons and matte non-slip key caps that are durable, wont fade or wear Backlight on/off option by Scroll Lock Key Professional gaming chips, zero delay and no key stuck