AUX Input and Built-in Microphone. The first mode is 3.5mm audio input, which helps block out external noise. The second mode uses the built-in microphone to capture ambient sound. Sensitivity for both modes is adjustable. Suitable for LED panels. Compatible with various LED driver ICs, excluding those without an IC chip. Ideal for a wide range of DIY projects. Users can configure the number of segments and pixels per segment based on their LED pixel layout. This feature is well-suited for LED lighting and other custom applications. Adjustable settings include speed, brightness, number of pixels, color order, and sensitivity. When connected to SK6812-RGBW LEDs, the white channel can be controlled independently. Bluetooth-enabled control via iOS and Android smartphone apps. Supports multiple LED driver ICs such as WS2812B, WS2811, SK6812, WS2813, and SK6812-RGBW. Allows selection of IC type and RGB sequence. Settings are saved when powered off. Size: 85mm x 45mm x 22mm. Material: Plastic. Color: White. Package Contents: 1 x SP107E music LED controller. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.