Cosmetically in great shape, it does not have a battery pack so I have to way to test it fully. The Vintage Sony WM-F100ii Walkman Cassette Player is a 2nd Generation model featuring a silver color design. This portable radio and cassette player, manufactured in Japan, is part of the Walkman product line by Sony. It includes features such as a headphone jack, cassette tape compatibility, and belt drive functionality. The connectivity options include a parallel port for connecting external devices.