Normally you need to use a transmission wire (or indirectly, a memory card) and be in front of a computer to transfer and exchange files between your cell phone and computer. It is much easier now compared to several years ago, but as the cell phone/computer connecting interfaces are not completely compatible, sometimes you might not be able to use a flash drive to transmit files.
Now, PhotoFast's i-FlashDrive has the outstanding feature of enabling file transmission between all Apple's devices. This additional convenience is attributable to the fact that it has 2 interfaces - one 30 pin port used by iOS devices; the other the USB - which can be very helpful in practical use.
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