Before you write in: yes, I was around when the 1979 TPS-L2 Sony Walkman arrived ... tape players that accept tangible polyester-type-plastic-film-with-magnetic-coating tapes.

[Daniel Rojas] cleverly solved this problem by directly adding Bluetooth functionality to a Sony MZ-R500 MiniDisc Walkman. MiniDisc Walkmen are famously compact devices, so adding a full circuit ...

Starting in 1987, the company made kid-friendly — read: smaller, colorful, and plastic — versions of the Walkman, walkie talkies, and cassette recorders. Those My First Sony products were ...