OEM Short press 11 types of monochrome static light mode + 6 types of dynamic light mode; Long press for 2 seconds to adjust brightness in 3 speeds; Press and hold for 4 seconds to turn off/press again to turn on RGB headset support, pole light effect switch button Short press 10 types of musical rhythmic light effect modes (including 1 type of background light/2 types of streamer light effect modes for horse racing) (The above rhythmic light effect mode changes according to the volume of the external sound) Press and hold for 2 seconds to adjust the brightness in 3 speeds; Press and hold for 4 seconds to turn off/press briefly again to turn on Computer Speaker