Product Description: ● iPhone 5S / 5C / 5 common user optimum dust protection kits ● Fully compatible with iPhone 5S / 5C / 5 phone headset hole bottom and transport screw jack ● silicone dustproof take card pin both dust and replace the Nano SIM card Function ● compact and easy to carry and convenient to make your excellent ● can effectively maintain clean the bottom of the headphone jack and transmission ● foreign matter can effectively block the dust runs into the headphone jack and transfer the bottom to help you extend the useful life of valuable phone ● can effectively prevent Transfer the bottom of damp or oxidation -------------------------------------------------- ------------- Page schematic for reference， this product does not include hardware host. -------------------------------------------------- -------------