led tin pin in beer bottle cap 1)Logo,shape,color and qty of led all can be customized 2)Certificate CE&ROHS 3)Factory price led tin pin in beer bottle cap/led flashing badge/led light badge Can be easily fixed on the earings,clothes,shoes and something thin,when the turnbuckle is screwed up,the product begins to sparkle with your demand light.yet it stops flashing when the screw is loosened.It’s ...