On June 25, 1980, the revolutionary Sony Walkman went on sale in the United States, transforming the way people listened to music. Priced at $200, the portable cassette player allowed music lovers to take their favorite tunes with them anywhere, making it a must-have gadget of the 80s. The Walkman's impact on personal audio technology was profound, as it introduced a new era of mobile music and set the stage for future innovations in portable media players.