Light up your promotions with this fashionable lighted neckwear! Perfect for parties, nighttime events and any place where you need a fun novelty gift, each LED ball necklace features 7 blue plastic LED balls and 6 different light settings. With the click of a button, choose from a slow to fast flashing mode, super-fast flashing mode, blinking mode, alternate color flashing mode, all colors flashing and steady on. All light up ball necklaces come with two CR2032 batteries, which are installed. Add an imprint of a company name, brand logo and more to create a unique and awesome show piece!