led pocket card light for promotional gift 1,Credit Card Size 2,Fold "LED Light Bulb ... ( also called porcket light ) is an amazing creativity and general is as thin as cardit card,the bolds can ... the middle buld shape can engrave up tur up,and then the botton if the LED will light, ... . usage: advertising,lighting,accessories,pendants,gifts,brand marketing,and etc.can have your own logo,trademark on it. ...