Ideal for charging iPod, iPhone and iPad from a USB port, USB wall outlet and USB automotive charger. Great to sync/update your pictures, music and videos from your computer"s USB port. Apple put a validation chip in the proprietary docking connector, for the 8 pin tip to protected consumers from cheap, and possibly damaging knock-offs. MFi or Made for iPhone/iPod/iPad, is Apple"s licensing and certification program for the electronic accessories that will connect with their portable devices. All Manufacturers and Distributors must be licensed by Apple before making or selling Apple products.