1. Interface: USB*2, SD, TF, Type-C, Micro, 8 Pin 2. Support hot swap, plug and play, easy to use 3. Compatible with Windows series, OS X LINUX and other systems 4. Photos taken in the memory card can be directly imported into the phone without a computer 5. USB/memory card can read at the same time and transfer data to each other in both directions 6. Size: about 53x28mm