The listing, memory card adapter has ended.
This is a microSD microSDHC, it's an sd card adapter you put the little sd cards into this one and it is a way to make the small ones bigger like if you take pictures on you phone and you wanted to move them to your camera this adapter allows you to do this also some computer will require this adapter as well as some game consoles like x box and such. It is name brand ScanDisk it also has it's case for protection.