Most sensitive controller.It is a perfect music controller with high exactitude,strongly rhythmic for WS2812B WS2811 LED strip and LED matrix panel 16X16. Note: Hold Vol=Vin button 5 seconds to Switch Built-in mic or AUX music input mode . 38+46+70 lighting effects. 38 kinds of led panel musical effects. 46 kinds of led strip musical effects .70 kinds of non-music lighting effects. 4 levels of brightness. Adjustable brightness, adjustable pixels ,adjustable lighting effect speed ,adjustable sensitivity. Built-in Mic/AUX Music Input .No need for APP. Connect to the phone via wireless bluetooth module. Input signal and stably. Note: Hold Vol=Vin button 5 seconds to Switch Built-in mic or AUX music input mode . Multiple controllers can be synchronized in series .Two controllers can control 1024pixels ,the lighting effect can be synchronized. Operating Voltage:DC5V-24V Current: Less than15mA (no light bar current) color:black Material:plastic Size:10x8x3cm Weight: 100g Maximum number of control points: 512 Pixels Package: 1 set music controller NOTE: The remote control is shipped with the battery by default 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.