Description: FEATURE: The RGB controller can be remotely controlled directly by a mobile phone, and the distance can be up to 15 meters, connected via Bluetooth, no need to repeat settings. APP: This Bluetooth and infrared smart controller mobile phone Bluetooth . Mobile APP can support multiple languages. Users need to download APP by themselves. HIGH QUALITY: Made of high quality PC material, durable. USAGE: Insert the USB power port, open the mobile phone APP, connect to the mobile phone APP via Bluetooth, and control the built- light. It is also possible to connect an external 5V LED through the 4PIN interface, which can be extended up to 10 meters. ANIMATION EFFECT: The control board comes with color LED lights. Color gradient, with all kinds of single color, double color, color flashing. The lighting can change with the phone Brightness and flash be added or subtracted arbitrarily. Specification: Input Interface: USB interface Input Voltage: 5V (2A-10A) Working Temperature: -5 ~ 75 Degree Maximum Power: 50W (5V) Standby :