Sony minidisc player / recorder, model MZ-R410, with two minidisc. Portable and light device, easy to use, one input analog / optical and one stereo output. Using ATRAC3 may record 320 min of music with overall good quality, best than modern MP3! One common AA battery last more than 20 hours of operation! You can record and re-record on the same minidisc.
The device is fully working, used, with some normal use traces, no internal oxidations, with two MiniDisc: one new and one recorded.
Here you can read the operation manual