... LED :red ,blue,yellowetc. logo available led bead necklace,light up necklace,corportate gift,party gift Material:plasticLED :can be ... etc.logo availableBatteries:AG seriesLight Up Pendant Necklaces with LED Light are great for product launches, special events, trade shows, ... Glass, Star, and Bottle Cap, and 7 ultra-bright LED light colors includingRed, Yellow, Blue , Jade, White, Purple, PinkUnit ...