One Piexls Music Bluetooth App Controller SP621E DC5-24V Lighting Controller, 3-pin Addressable, Compatible with WS2812B WS2811 One Piexls Music Bluetooth App Controller SP621E DC5-24V Lighting Controller, 3-pin Addressable, Compatible with WS2812B WS2811 Input Voltage: DC5-24V. Connectivity: Bluetooth App Control. Controllable Pixels: 600 ICs (600 LEDs for WS2812B LEDs, 1800 LEDs for WS2811 LEDs). Application: Digitally Addressable LEDs. Output Signal: SPI (TTL) Digital Signal. Support: iOS 10.0 / Android 4.4. Operating Temperature: -20℃~60℃. Dimensions: 35*14*7mm (excluding cable) Functions: 1. Supports APP control. 2. Supports automatic device connection and reconnection when the APP is open. 3. Supports multi-device group control. 4. Two sound acquisition methods: mobile phone microphone and player streaming. 5. Supports changing device name, calibrating RGB channel order, and timer functions. 6. Compatible with most single-wire LED drivers on the market, capable of driving up to 600 pixels. 7. Built-in 142 dynamic effects, adjustable effect length, and the ability to favorite effects. 8. Built-in 18 music effects, adjustable effect length and sensitivity. 9. DC5~24V wide voltage input, power supply with reverse connection protection. 10. Automatic parameter setting saving function. Package List: 1*Bluetooth Controller