Elevate your accessory game with our futuristic Blue LED Bead Necklaces! These 30" light-up Mardi Gras Bead necklaces are sure to turn heads at any event with a blue theme. With 3 x AG13 batteries included and installed, these necklaces are ready to shine right out of the box. Simply press the on/off button to choose from 3 different light settings: fast flash, slow flash, and steady on. Add a vibrant glow to your ensemble and stand out from the crowd with our mesmerizing LED bead necklaces!