A Neopixel Controler, which could groups neopixel LEDs and change each group's display mode, color, etc. This APP. Is working with specific Bluetooth hardware. If you don't have the hardware, please do not install or rating this APP. Please contact us for more product detail. Demo video: 特色…. 可自定義多組 led 群組. 可自定義各群組 led 顆粒數. 可單獨控制各群組 LED 顏色模式