Light 'em up with this App-Controlled SMART LED Christmas Tree Lights  Control the lights and connect to your music via the app or the remote control included Perfect for wrapping around your Christmas tree, stairs, gardens and more. With a stable Bluetooth and Wi-Fi connectivity so you don't have to get up to turn them off Brightness, mode, speed and more will change as the music changes. Choose from 3 light lengths: 5m, 10m or 20m With a variety of LED bulb numbers available to suit your needs Materials: copper wire and LED lamp bead Waterproof: IP65 Power Supply: USB Voltage: 5V   Buying Options:  12.99 pounds instead of 39.99 pounds for 5m Lights With 33 LEDs - save 68% 14.99 pounds instead of 49.99 pounds for 5m Lights With 50 LEDs - save 70% 17.99 pounds instead of 59.99 pounds for 10m Lights With 66 LEDs - save 70% 19.99 pounds instead of 69.99 pounds for 10m Lights With 100 LEDs - save 71% 22.99 pounds instead of 79.99 pounds for 20m Lights With 132 LEDs - save 71%