Be the merriest person at the holiday party or disco with an actual sound-producing jingle bell necklace that lights up! Connect a few LED Multi-Color Disco Ball Necklaces together around the tree or table for a festive look. Each of the shiny ornaments has either a red or a blue LED light that changes between 7 different functions from morphing to fast flashing to steady on with a push of a button. Three of the multi-color balls have a jingle bell, too. 3 AG13 batteries are included, installed, and are replaceable. Our bright light up disco ball necklace is sure to bring out your inner Christmas spirit and make you the hit of any party! US Patent Number: 10,064,461