The new and improved Cassette to MP3 Converter turns old cassettes into high- quality (128K) digital MP3 files, without a computer. It’s easy to use — simply insert your cassette tape, plug in the included 8GB USB flash drive and press a button. No computer or additional software is needed. Features auto and manual recording modes, plus an auxiliary line in jack for converting other audio sources (radio, CD, etc.).
https://www.sharperimage.com/si/view/product/Cassette+to+MP3+Converter/205987?question=CASSETTE