LED Bluetooth 4.0 Controller RGB DC12-24V BL370 RF Smart Phone Control for LED Panel Light Ceiling Lamp Downlight Strip LED Bluetooth Controller support IOS,Android devices compatible with Bluetooth version 4.0 or later Use phone to download a free app"Magic LED Light",then connect controllers to phone Suitable for any 12V-24V LED light,such as panel light,ceiling lamp,downlight strip etc. Small-sized, easy installation, energy-efficient, environmental frendly, great convenience and Humanized design. A wide variety of choices : Color ring function, Music control function, Built-in dynamic mode function, Custom mode function etc.