Sony Microcassette-Corder M-570V VOR Clear Voice Plus, With Microcassettes

I have only partially tested this recorder. I put batteries in it and it does turn on and the timer goes. However, I did not put a cassette in it and try recording. It is clean and there is no corrosion in the battery compartment. It comes with 4 microcassettes. Returns are accepted, although I have no reason to think anything is wrong with it.