promotion led necklace in bottle 1)CE&ROHS approval 2)Pendant shape can be designed 3)Logo can be customized 4)OEM order/des promotion led necklace in bottle/flashing light necklace/flashing plastic necklace1.plastic flashing necklace powered by battery2.different pendant shape available, such as round,square,heart,oval,beer bottle,hello kitty,star3.led light:red,blue,jude,yellow,white,rainbow ...