Online Christmas Tree Bluetooth App Copper RGB Music Light String 20M is the latest in Holiday lighting technology. It is a 20 meter long copper cable connected with LED light bulbs in a variety of colors. The bulb and the cable are connected together to make a single strand. The standout feature of this product is that it can be controlled via an app on your smartphone. After downloading the app, you can adjust the colors and brightness of your light string from anywhere. You can also sync your light string with the rhythm of your music with the app. This creates a unique experience that can be enjoyed by both young and old. The app also includes a timer that allows you to have your lights automatically turn on and off at specific times. This can be convenient if youre away during the holiday season and dont want to miss out on the Christmas spirit. The product is rated for outdoor use, making it perfect for any outdoor holiday decorations. The copper cable is also designed to be weather resistant so it can withstand the elements during the winter. Overall, Online Christmas Tree Bluetooth App Copper RGB Music Light String 20M is a must-have product for anyone looking to bring a modern touch to their holiday decorations. It is easy to install and includes all the necessary parts to get you started. Whats more, its a cost-effective way to light up your holidays.