Lightning microSD Card Reader for iPhone and iPad Lightning Reader allows you to transfer all of your files between microSD cards and iPhone / iPad and also PC or Mac. Free up space on your iPhone or iPad and save it to microSD card. Easily transfer and share files between your iPhone, iPad & Mac or PC quickly and easily with DUO-LINK app. Stream movies or music from DUO-LINK to your iPad or iPhone without a wireless network Manage content using PNYs MFi Certified app, DUO-LINK, available on The App Store