APP Control via Bluetooth: for and Android smart phone remote control via bluetooth. The LED controller supports setting IC types and is compatible with almost every kind of one-wire or two-wire LED driver IC , such as Ws2812, Ws2811, SK6812-RGBW, APA102, SK9822, LPD8806 strip light, etc. Before connecting the power supply, make sure the output voltage is 5V, otherwise it may damage the controller and the LED pixel strip. AUX Input and Built-in Microphone: Two modes to input the audio signal. AUX Input mode: 3.5mm audio input. The Ws2812b led music controller can shield external noise and only react to the input music. The second mode: with a high sensitivity built-in mic, it captures the sound outside and the lighting effect will change according to the sound rhythm. The sensitivity of two modes can be easily adjusted. Hundreds of Color Changing Modes: The RGB bluetooth controller has 30 kinds of music lighting effects for LED matrix panel, 18 kinds of music lighting effects for led strip and 180 kinds of dynamic lighting effects . It can be shifted freely between music mode and non-music mode. The lighting effect can play automatically. Adjustable: You can adjust the color hue , speed, brightness, sensitivity and pixel number of the sp107e controller. When you connect SK6812-RGBW LEDs, the white channel can be adjusted individually. Perfect for DIY: You can set up number of segments and pixels number of each segment according to the LED pixels array of your lights, up to 960 LED pixels in total. The colors of falling dot and lights column is adjustable. Perfect for LED matrix and DIY project. Specifications: Item No: Sp107e led music controller Working temperature:-20 Celsius ~ 60 Celsius Working Voltage: DC5V-24V Working Current: 18mA ~ 45mA Remote Distance: 20 Meters Product Size: 85mm x 45mm x22mm Colour:White Material:plastic Package Contents: 2 * SP107E LED controller 2 * 3pin JST connector 2 * DC connector 2 * Audio cable 2 * Mini screw driver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.