You're sure to be the star of any nighttime event when you wear our mirrored 4" plastic blue star LED fusion badge necklace! Each unique star-shaped badge comes on a 34" black lanyard that features smiley faces and the word "smile" on it. Features include three bright LED lights in red, blue and green. Simply click the on/off button and you can choose from a variety of color modes. Two CR2032 batteries are included and installed. Ideal for promotional events, add an imprinted logo, company name or event title to shine a light on your brand!