This is an app that can control the bluetooth camera lightthrough the mobile phone's bluetooth broadcast.The mobilephone and the bluetooth light can be controlled without establishing a connection.Before using this APP, you must havea Bluetooth camera light that can receive Bluetooth broadcasts.Select the A, B,C,D,E,F,ALL groups on the APP, and then youcan control the lights of the corresponding group through Bluetooth.The Bluetooth photography lights can work in differentmodes, related to light mode, color mode, yellow and white mode, Scene mode, you can switch between different modes onthe APP. In the color mode, you can touch the color picker at thebottom of the APP to control the color, and the indicator light inthe upper left corner of the APP will also change the colorsynchronously.In each scene mode, you can also adjust thebrightness of the Bluetooth camera light by sliding the brightnessslider. Click the indicator in the upper right corner to switch between the light on and off mode.