... the product, the product will automatically charge iphone4,you may press the switch for 2 seconds to stop ... seconds to stop the charging process, subsequently you may press 2 seconds more to restore the charging ... battery is used up and you charge iphone4 with the product ,you will have to wait for 0m after ... US : 1. If you have any othere questions about our products, services: 2.you can leave us a ...