A Look Back at the iPod Mini

Andrew Kim has a nice article on an iPod mini he got off eBay, and talks about how beautiful the design is ten years back. What strikes me is the custom headphone jack that Apple had, as shown:

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It makes me wonder what Apple could have done if they didn't decide to stick with the 3.5mm jack. I guess they had no choice but to stick with the 3.5mm circular jack. (I mean, look at the thickness compared to the 3.5mm one)

I can't seem to find what the male port of the headphone plug looks like though, so if you know a thing or two about it, I'm happy to hear about it.