Each button revealing light of this keyboard are very transparent uniform， black MG peripherals in workmanship and materials used are under considerable hard work， we understand the production process of our keyboard， in order to achieve this effect produced on the surface of the fuel injection and laser engraving process requirements is very high， and in order to be able to shine transparent uniform thickness using the entire light guide to be at least 2.0mm or more， since you can feel the black Jazz peripherals for product quality the cautious attitude.