color changing led heart pendant 1)CE&ROHS standard 2)3*LR41 ... included 3)Logo printing can be customized 4)Factory p color changing led heart pendant/flashing led light necklace/led heart necklace1 ... square,heart,oval,beer bottle,hello kitty,star3.led light color can be:red,blue,jude,yellow,white,pink,rainbow ... ODM are warmly welcome10.Meet CE&ROHS standard,eco-friendly color changing led heart pendant