led can be chose
shape customized
function :flahsing when you turn on
Detailed introduction to LED necklace,light up pendant,:
Light Up Pendant Necklaces with LED Light are great for product launches, special events, trade shows, promotions, and awards.
They are available in 7 shapes: Square, Rectangle, Circle, Heart, Martini Glass, Star, and Bottle Cap, and 7 ultra-bright LED light colors includingRed, Yellow, Blue , Jade, White, Purple, Pink
Unit Packing:Poly bag Attracts card