XKTTSUEERCRR Audio Infrared 20keys Music Sound Controller With Double 4-pin Connectors for 3528 5050 5630 All RGB LED Strip Light Widely used for controlling a variety of LED Strip lamp, such as 5050, 3528. For instance, point-source light, flexible strip light, wall washer light, glass curtain wall light. Adjust brightness, static colors and color changing effects via infrared remote control. When it is in sound-control mode, the colors will change with the music rhythm. 20Key infrared Music LED controller adopts the advanced micro control unit.