Great sound, terrible user experience.

Some of the first Sony Discmans included rechargeable batteries. These batteries were nickel metal hydride batteries (because of the technology of the time) and are now well past their service life.

The first portable music player I ever had was a portable cassette player, a cheap knock-off of the hugely popular Sony Walkman. I absolutely loved it. I used it until the feeble foam pads of the ...