color changing led heart pendant 1)CE&ROHS standard 2)3*LR41 batteres included 3) ... be customized 4)Factory p color changing led heart pendant/flashing led light necklace/led heart necklace 1.plastic flashing necklace powered by ... battery2.different pendant shape available, such as round,square,heart,oval,beer bottle,hello kitty,star3.led ...