The “Cheap Christmas Tree Bluetooth App Copper Rgb Music Light String 20m” is the perfect way to get into the holiday spirit and light up your home or yard in a colorful and festive light display. The light strings are 20m long, making them ideal for decorating large trees or outdoor bushes and are app compatible, allowing you to use your phone or tablet to customize the setting for a truly unique take on festive lighting. The LED lights are energy efficient and range in colors so you can choose the perfect combination to represent your favorite holiday colors. These Christmas tree lights can also be synced to music for a truly magical light show, making them the perfect accompaniment for festive parties and gatherings.