For Ws2811 Ws2812B Ws2815 Ws2813 Ws2801 Sk6812 Ws2815 Sk9822 Apa102 Etc. Led WIDE COMPATIBILITY. Support almost Smart LED IC ,one-wire or two-wire LED driver IC, such as WS2811,WS2812B,WS2813,WS2814,WS2815, WS2801, SK6812, SK6812-RGBW, LPD6803, LPD8806, APA102, APA105, TM1804, TM1814, TM1914, TM1913, P9813, INK1003, UCS1903, DMX512 Convenient. IOS and Android APP control via Bluetooth 4.0 or later version. Long control distance, convenient to use. Support IOS 8.0 and Android 4.4 or later version. Your smart Phone should support Bluetooth 4.0 or later version. Rich color modes. Come with 200 kinds of color change modes, auto mode and static color mode, which are vivid and beautiful. Save user setting automatically when power off. Brightness is adjustable. Safe. DC5V DC12V DC24V wide working voltage, preventing reverse connection of power supply, protecting LED light and controller very well. DC5V WS2812B LED strip, please only use DC5V power adapter. 5.5mmx2.1mm DC power jack Warranty . If it does't work , please contact us , we will help you to solve the problem.May be you will connect the wrong wire or the wire is loose . Color calibration. When the app color is inconsistent with the color of the LED strip, where green is blue and blue is green ?You can use the APP to calibrate the colors to make them consistent.6 color sequences, RGB, RBG, BRG, BGR, GRB, GBR, select one of them for calibration Insufficient power supply will cause the controller to lose control, the color of the LED strip is frozen, Bluetooth is disconnected . Please note : When you Light up 1 color?red or green or blue or pure white) 0.1W/LED . 2 colors (red+green) 0.2W/LED , 3 colors (red+green+blue=mixed white) 0.3W/LED.If you don't know which power supply can be used for your LED project, you can email us It is not recommended to light up the full brightness white light for a long time, because the main function of the addressable RGB IC light strip or fairy string is chasing rainbow effects .