Characteristics and Interoperability All mechanical keyboards are compatible with this 04-key standard doubleshot PBT keycap set in English (USA) ANSI format, OEM/Cherry profile. The Redragon Universal keycaps that fit most mechanical keyboards, featuring both standard and non-standard key sets on the bottom row. Keyless, 60% Mini Keyboards, and 104 Keys are all compatible with the Redragon 104 Key Set with US Standard ANSI Layout. The RBG mechanical keyboard's lighting effect is enhanced with lights and a gradient color design that varies in brightness according to the font. Extra thick key walls and premium double shot PBT material with a robust, textured finish guarantee maximum durability and powerful strikes. With the improved arc finger contact area and keycap (OEM Profile/Cherry), typing is more comfortable. A keycap puller makes it simple to remove any cap.