S3 + ® Smartphone Memory is the universal adapter, with patented technology, which allows you to share and save data in an iOS, Mac, Android and Windows environment. MicroSD slot for data transfer in reading and writing (up to 256GB). Lightning connector with Apple MFi certification for maximum compatibility with iPhone, iPod and iPad. USB Type-A connector for use on any PC. Hidden MicroUSB connector for compatibility with Android systems. The dedicated APP, downloadable from Apple Store , allows you to take photos and videos, with direct saving on MicroSD. It also allows you to read Word, Excel, PDF and Keynote files and to play 4K MOV, MP4, MKV, PNG, JPG files directly from MicroSD. Sold as a bundle with Class 10 MicroSD.