This Does Not Compute | The Smallest Portable CD Players Ever Made (That Nobody Bought) @ThisDoesNotCompute | Uploaded January 2021 | Updated October 2024, 5 hours ago.
In 1988 Sony flexed its engineering muscle and built the world's smallest portable CD player...then a few months later, did it again.

SJM4306's channel: youtube.com/c/sjm4306
DIY Discman LiPo battery guide: hackaday.io/project/165088-sony-discman-diy-lipo-battery

Featured music by Dan Mason (https://danmason.bandcamp.com).

Sources:
Popular Mechanics, September 1988.
Taobao gear listing: world.taobao.com/item/527971137581.htm
Beatles single mini-CD photo: liveabout.com/the-beatles-cd-singles-collection-3219917
Madonna CD single photo: https://i.pinimg.com/originals/65/ff/55/65ff55319ac617162dc492714bd48d5c.jpg

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Additional music by Epidemic Sound (http://www.epidemicsound.com).

Intro music by BoxCat Games (http://www.box-cat.com).