A:AnswerYes, there's no need to plug it in to anything. Playback is simple, just a matter of pushing a button and pushing another button to stop the playback.
A:AnswerI would say - not very far. I have not tried it more than 4-5 feet away but think quality/volume would drop off quickly depending on the source. A loud source, i.e. a PA system or auditorium PA might generae enough volume. It is possible to turn up the volume on playback. I have not tried connecting toa computer but that might be better. I may do some experiments .
A:AnswerYes, this recorder works great! I need to use it for my job on a daily basis. I place the phone call on speaker and use my recorder to record the conversation, after letting the other person know they are being recorded. Recording quality is excellent.
A:AnswerNo, it's not a hi-tech surveillance device. If you can't understand what's being said naturally, you probably won't in the recording. The only advantage to recording it is that you can replay it.
