Original Sony Walkman from 1979 - used cassette tape but allowed us to listen to music on the move.my dad bought me the original.I thought I was so bad ass at the time.
The Sony Xperia Ear Open Style concept earphones feature a newer design and let users hear outside noise so that they can be aware of their surroundings.
Sony - Over-the-Ear Wireless Hi-Res Headphones - Black - Angle Zoom
The first water resistant Walkman.
SONY Record player Flamingo 1982 Via Museum für Gestaltung, Zürich