RGB Rainbow Backlit Keyboard: The keyboard mouse combo is through rainbow backlit keyboard and RGB breathable backlit mouse, you can customize the keyboard backlight/brightness/speed. The glitter keyboard offers 3 illumination modes and 3 brightness levels to choose from. FN+PgUp/PgDn: Backlight brightness and speed adjustment; Fn+1: Adjust the backlight mode (Constant Light/Breathing/Heartbeat), can be turned off if not needed Metal Panel Keyboard & Ergonomic Design: This computer keyboard and mouse combo boasts an aluminum alloy brushed panel, ensuring durability and ruggedness. Engineered with ergonomic precision, the gaming keyboard and mouse offer a comfortable 7° angle, preventing hand fatigue. With a 2.0mm keystroke, they deliver lightning-fast trigger response and rebound speed, providing an unparalleled typing experience