If you are looking for the perfect way to decorate your Christmas tree in a unique and beautiful way, the Best Christmas Tree Bluetooth App Copper Rgb Music Light String 20m is a great option. This LED light string is 20 meters long and features copper wiring with an RGB light string design. The app allows you to control the light from your Bluetooth device, either through a smartphone or tablet. The LED lights come in a variety of colors including red, green, blue, yellow, and pink. You can choose among the colors to design your own personal effects for a colorful Christmas tree. The app even allows you to control the speed of the lights. So you can set different lighting patterns to your tree for a variety of effects. The Bluetooth app not only makes your Christmas tree beautiful and unique, but it also adds a festive vibe to your Christmas gatherings. With its multiple light color options, you can create an atmosphere of celebration and enjoyment. And since all the lights and programming are controlled through your Bluetooth device, you don't have to worry about getting tangled up in wires. The Best Christmas Tree Bluetooth App Copper Rgb Music Light String 20m is a great decoration option for anyone looking to add a unique and beautiful touch to their tree backdrop. With just a few clicks of your device, you can enjoy the vibrant colors and create a festive atmosphere.