1.flashing necklace 2.multi shape and color LED promotional necklace , led necklace , flashing pendant , light up necklace , blinking necklace , promotion gift, blue led flashing necklace1. It can be used as the promotion ... Cap,3. OEM/ODM LOGO and shape you welcome.4. LED lights color: Red, Yellow, Blue , Jade, White, Purple, Pink .5 ...