Christmas Decoration RGB Copper Wire String Light Bluetooth Mobile APP Control, Length: 5m 50 LEDs 1. Made of copper wire, easy to twist and bend 2. Synchronize with music and microphone: the speed will change according to the rhythm of the music 3. Timer setting: You can set any time at will to save more power 4. USB charging: no need for batteries, can power mobile power, computer, phone charger, save energy 5. More than 16 million colors can change colors, and provide 7 scene modes and 29 dynamic modes 6. Compatible with Android, IOS system 7. APP control: download APP "LED LAMP", matching with Bluetooth, no need for remote control 8. One more APP light: control less than 10 groups of lights at the same time to keep working in the same color 9. Memory function: Even if the Bluetooth is not connected, the memory function can keep working, and the timer setting also has the memory function 10. Operation method 1: In the custom mode, there are 4 operation modes to choose from (jumping, breathing, flashing, gradual change) 11. Operation method 2: In normal mode, static mode (7 colors), three-color jump (7 colors), seven-color jump, three-color gradient (7 colors), seven-color gradient, single-color gradient (7 colors), Monochrome flash mode (7 colors), two color gradients 12. Brightness and speed: can be dimmed within 12m through the app, the brightness is adjustable from 1% to 100%, and the speed is adjustable Note: The product can only be synchronized with a single color through the mobile APP