A:AnswerI never tried it but as playback I imagine you certainly can. Well, just tried and no, playback is just one way. Forward and back controls takes you to the next or previous recordings.
A:AnswerIt can play back via the built in speaker. The audio is not all that great.
You can download any files you made to a computer.
There is a built in USB Connector to plug into a computer, the files are MP3 format.