If you’re talking about ear/airpods then it’s possible some are purely “default option”. However I do believe that Apple did a lot of research to find a good b

If you’re talking about ear/airpods then it’s possible some are purely “default option”. However I do believe that Apple did a lot of research to find a good basic shape, and I and quite a few other dolls I know prefer them for their breathability (your ear isn’t designed to be sealed up) and sound awareness.