Illuminate your celebration with our LED Gold and Silver Disco Ball Necklaces! Perfect for Hollywood themes, milestone events, decade disco parties, New Year's Eve, or any festive occasion, these 40" necklaces add a touch of glamour to any event. Each necklace features seven 3D metallic disco balls with built-in LEDs, measuring 1 5/8" each. With three different flashing settings to choose from, you can set the mood just right with a click of the on/off button. Included and installed are three AG13 batteries, ensuring these necklaces are ready to light up the night. Add them to your table decor and centerpieces for an extra festive touch! US Patent Number: 10,064,461.