Are you out of storage on your phone ? Would you like to transfer them to a computer ? Or do you want a place to store your data ?
These are flash drives that are compatible with phones as well as most computers. I recommend these due to their reliability and how simple it is to transfer.
To transfer from your phone , you can either transfer from your " File " App or some flash drives have its own app to transfer files easily.
Type C is compatible with andriod phones and IPhones 15 and up
Lightning port is on IPhones 14 and lower
USB A are to connect to a Computer, Monitor, Tv, or speaker.