The Sony WM-F2 is a portable cassette player that was introduced in the early 1980s, specifically in 1981. It is part of Sony's Walkman series and was designed for listening to cassette tapes while on the go. The device features a compact design that emphasizes portability, allowing users to carry it easily. The WM-F2 comes equipped with a built-in FM/AM radio, expanding its functionality beyond just cassette playback. Furthermore, it includes a headphone jack for personal listening and offers a mono output, which contributes to its lightweight design. The player is powered by batteries, making it convenient for use outdoors or during travel. An indicator light is also present, signaling when the device is powered on. The WM-F2 is characterized by its simple control layout, consisting of play, stop, FF (fast forward), and rewind buttons, maintaining user-friendliness for individuals of all ages. It typically features a sturdy plastic construction.