A cassette player is a device used to play audio recordings stored on magnetic tape within a cassette. It typically features buttons for play, stop, rewind, and fast forward, allowing users to control the playback of music or other audio content. Cassette players were popular from the late 1970s to the 1990s, often used in home audio systems and portable devices. The cassette itself is a small rectangular case that holds the magnetic tape, which contains the recorded sound. While digital music formats have largely replaced cassettes, some people still enjoy using cassette players for their nostalgic value and unique sound quality.