A:AnswerThis recorder does not have an USB connection, it is a stand alone recorder. If you need a recorder for downloading recording, I suggest looking at a VN series with the suffix PC at the end of its name.
A:AnswerThe distance from the subject to the recorder, is not as important as the volume the subject is producing. If a subject is not producing adequate volume, a smalll boom mic may be effective.
A:AnswerThis recorder does not offer computer connectivity. The files are not intended to be downloaded. I suggest looking at a WS-Series or a VN-8100PC.