Load card w/o player?

Probably a stupid question, but am I correct in assuming I can load a card from files on my pc and mail the card down to a friend who has the actual player?   I was told you can purchase them with an adapter that will allow the micro card be read by a camera card reader?

It sounded like folks were putting the card into the player and then loading files onto it, hopefully that’s not the only way?

You can load content on the card from a reader.  When you insert the card into the player it will scan the content on the card and add it to the database.