Obsolete Sony on Twitter: "Sony's 1987 WM-F107 Solar Walkman was the first cassette player powered by solar panels. It was compact, had metal tape compatibility, and a waterproof case. Sony didn't produce
![Amazon.com: Sony Sports Walkman Radio Cassette Tape FM/AM 2 Bands Radio w/ Solar Alarm Clock Sony Walkman Model No. WM-AF58 : Electronics Amazon.com: Sony Sports Walkman Radio Cassette Tape FM/AM 2 Bands Radio w/ Solar Alarm Clock Sony Walkman Model No. WM-AF58 : Electronics](https://images-na.ssl-images-amazon.com/images/I/71MD-sHzc2L._AC_UL600_SR600,600_.jpg)
Amazon.com: Sony Sports Walkman Radio Cassette Tape FM/AM 2 Bands Radio w/ Solar Alarm Clock Sony Walkman Model No. WM-AF58 : Electronics
![Sony WM - F 107 “Solar Walkman” Cassette Player [Game Ready] by astrobottle | Hard Surface | 3D | CGSociety Sony WM - F 107 “Solar Walkman” Cassette Player [Game Ready] by astrobottle | Hard Surface | 3D | CGSociety](https://cg4.cgsociety.org/uploads/images/medium/astrobottle-sony-wm-f-107-solar--7-12df01d8-33ix.jpg)
Sony WM - F 107 “Solar Walkman” Cassette Player [Game Ready] by astrobottle | Hard Surface | 3D | CGSociety
![Obsolete Sony on Twitter: "Sony's 1987 WM-F107 Solar Walkman was the first cassette player powered by solar panels. It was compact, had metal tape compatibility, and a waterproof case. Sony didn't make Obsolete Sony on Twitter: "Sony's 1987 WM-F107 Solar Walkman was the first cassette player powered by solar panels. It was compact, had metal tape compatibility, and a waterproof case. Sony didn't make](https://pbs.twimg.com/media/FuNbnhpWAAEy9Z2.jpg:large)