Have a rave in your home with the Smart Bluetooth LED String Lights With Music Sync App. Perfect for wrapping around your Christmas tree or making your home more festive These smart lights connect to your devices with Bluetooth or Wi-Fi 2.4GHz  Syncs up to your music with the high-sensitivity microphone - lights will flash in time. Choose from 7 scenes and 4 pre-set music modes to suit your vibe Adjust the light speed, flash, brightness, mode and timer at the touch of a button Choose from 5 options: 2m, 5m, 10m, 15m or 20m Please see Full Details for product specifications   Buying Options: 7.99 pounds instead of 39.99 for the 2m - save 80% 9.99 pounds instead of 49.99 pounds for the 6m - save 80% 11.99 pounds instead of 54.99 pounds for the 10m - save 78% 13.99 pounds instead of 59.99 pounds for the 15m - save 77% 16.99 pounds instead of 69.99 pounds for the 20m - save 76%