Illuminate your event with our captivating Blue LED Ball Necklace! Each necklace boasts 7 translucent blue LED balls and offers 6 different light settings, providing a mesmerizing display of lights. With just a click of the on/off button, you can choose from various modes including slow to fast flashing, super fast flashing, blinking, alternate ball flashing, all colors flashing, and steady on. Plus, our Light Up Ball Necklaces come equipped with 2 CR2032 batteries already included and installed for your convenience. Perfect for any occasion with a blue theme, such as Bar and Bat Mitzvahs, these necklaces shine bright day and night, making them an ideal addition to dance floor giveaways. Light up your celebration with our Blue LED Ball Necklace! (US Patent Number: 10,064,461)