... : Flashing Blinking Lights : When screwed up, the product begins to sparkle with diversified light ,stop flashing when the screw is ... available in red,green,yellow.4.Thick magnet attached,at the back applicable to any place,such as clothes,earlobe,hair,and shoes.5 ... .Works with 2*CR927 lithium batteries,changeable,including already.6.Widely used at ...