The Sony WM-EX 670 is a portable cassette player that was manufactured by Sony. It was first released in the late 1990s. The device features a slim design and offers different playback options, including normal playback, high-speed playback, and variable speed playback. It also includes features such as auto-reverse, Dolby B, Dolby C noise reduction, and a digital AM/FM tuner. The Sony WM-EX 670 is powered by two AA batteries and includes a built-in speaker for convenient listening. It is commonly regarded as a reliable and popular cassette player.
