Hot-swappable Linear Red Switch Red switches are linear switches with a smooth keystroke and no tactile bump or click. With a light actuation force and rapid response, they provide effortless and precise typing or gaming experiences. Additionally, the hot-swappable switch provides customization options, allowing users to adjust the keyboard's tactile feel and performance according to their personal preferences and needs. ( : - ) Dynamic Per-Key RGB Illumination The RGB keyboard supports an astonishing 16.8 million RGB lighting effects and offers a choice of 20 different lighting modes. The illumination for each key can be customized independently, and you can adjust the color and speed of the lights on both sides of the keyboard using FN+PAUSE and FN+SCRLK. ,