Feature:1. REMOTE CONTROL: The LED light strip controller can directly control the distance up to 15 meters through the mobile phone, through wireless connection, no need to repeat settings2. 4PIN INTERFACE: The LED light strip controller comes with 4 high brightness color LED lights, and the extended 4pin interface can connect up to 10 meters of LED light strips3. CONVENIENT and PRACTICAL: The brightness and flash speed of the LED light strip controller can be adjusted at will4. ANIMATION EFFECT: The LED light strip controller has a color gradient, a variety of monochromatic, two color, and colorful flashes, and the light can change with the music of the mobile phone5. MUSIC SYNCHRONIZATION: Allowing the LED lights to be synchronized with any music type. Using our APP and dance to your favorite song with your lightsHow to Use:This wireless connection and infrared smart controller supports mobile phone wireless APP control. The product comes with an APP to download the QR coding, and the user needs to download it by himself. Insert the USB power port, open the mobile phone APP, and control the built in 4 LED lights by wirelessly connecting to the mobile phone APP; you can also connect an external 5V LED light bar (not included) through the 4PIN interface, and the maximum length can be extended by 10 meters (LED lights strip needs to be purchased separately&n