Like the original Sony Walkman (circa 1979) the player's shape was defined by its media. Whereas the first Walkman wrapped itself around a cassette tape, this 2002 model was mostly a circle.

The Sony Walkman is largely unchanged from how it was in the 2000s, which is when we really moved from carrying around portable tape players and CD players to carrying around digital audio players ...

In 1979, Sony introduced the Walkman ... The progenitor of the digital music player, the tape-based Walkman was extremely popular during the 1980s. It evolved into a portable CD player by the ...