... portable desk light 1.Flashlight , alarm, desk lamp , radio, charger 2.Solar charging , DC charging , crank dynamo Solar lamp ... then the unit is under charging .2)By USB cable(5hours full charged)First connect the cable with ... , another end to the USB port on this item .3)By crank dynamo(5hours full charged)Pull ... with digital plug , then one end to the USB port on this item , another end to your ...