![On this day, Sony introduced the Walkman, the first portable audio cassette player. And though they thought it would sell 5000 unit a month, it sold more than 50,000 in the first On this day, Sony introduced the Walkman, the first portable audio cassette player. And though they thought it would sell 5000 unit a month, it sold more than 50,000 in the first](https://i.redd.it/ay3iqsagam871.jpg)
On this day, Sony introduced the Walkman, the first portable audio cassette player. And though they thought it would sell 5000 unit a month, it sold more than 50,000 in the first
Free: Vintage SONY WM-41 Stereo Cassette Player - Other Electronics - Listia.com Auctions for Free Stuff
![Amazon.com: Studebaker Portable Cassette Recorder and Player with FM Radio Aux Input for External Devices : Electronics Amazon.com: Studebaker Portable Cassette Recorder and Player with FM Radio Aux Input for External Devices : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81pJGumLW8L._AC_UF1000,1000_QL80_.jpg)