USB Bluetooth APP 3 Meter 3 Meter 300 Led Fairy String Light with Remote ControlUSB Fairy lights run via any USB adapter or power bank. APP Control led String Lights The led string lights work with LED BLUETOOTH APP, you can scan the QR and download the APP directly. Fairy lights sync to music This APP include music modes, the lights can change colors and modes with music beats, and you can customize the colors of the modes as you like. Multi Colored Starry String Lights Combination of RGB and more then few hundreds colors to