This is a rare Sony Walkman WM-D6C cassette player and recorder, manufactured in Japan in 1984. It is a professional model and is in near mint condition. The device is compact, with a length of 95mm, a height of 40mm, and a width of 181mm, and it weighs approximately 600g. It features a headphone jack for audio output and is capable of playing cassette tapes. This Walkman model is part of the product line with the same name and is a valuable item for collectors.

Please ask questions if interested.