RGB lightingThe keyboard has RGB backlight function. All keys have no conflict and are easy to use in low light conditions. Small size and space saving [Backlight Mode] The default is FN+1-constant current FN+1 : Constant current FN+2@: Colorful racing horse FN+3 : Respiratory light FN+4: Switch between seven single colors and one mixed color Backlight brightness control 3-level brightness adjustment function, the default is the brightest FN+5%: brightness increase FN+6^: brightness decrease Backlit breathing rate and horse racing speed control FN+ R/FN+ T: Control adjustment FN+ R: Speed up FN+ T: Decelerate [Ergonomic design] Enlarge and widen the integrated palm rest to support the wrist. The size of the palm rest is 130*85mm, suitable for large and small palms. The arc design of the palm rest fits comfortably according to the player's operating posture, reduces discomfort or fatigue, and provides you with a relaxing gaming experience. [Professional gaming keyboard and mouse] One-hand gaming keyboard, reasonable layout of buttons, easy operation and quick response, suitable for professional gamers [Keyboard and mouse compatible] Suitable for notebook computers and PC computer games. No need to drive, USB wired connection, plug and play, fully compatible. User Method: Default FN+1-constant current FN+1 : Constant current FN+2@: Colorful Horse Racing FN+3 : breathing light FN+4: switch between seven single colors and one mixed color, backlight brightness control, 3-level brightness adjustment function, the default is the brightest FN+5 %: brightness increase FN+6^: brightness reduction, backlight breathing rate and horse racing speed control FN+ R/FN+ T: Control adjustment FN+ R: Speed up