[Noos]

On the flip side, headphone jacks can wear out entirely. And one of the advances bluetooth has over normal jacks is that it's now possible for headphones to have mics on them capable of answering calls. Sort of similar to wireless charging, its possible to wear out ports from overuse.

[tremon]

one of the advances bluetooth has over normal jacks is that it's now possible for headphones to have mics on them capable of answering calls

Headsets with mics on them did exist before bluetooth, and so did headsets with control buttons (source: my early-2000s portable mp3 player). The only thing bluetooth added to the mix is cross-device compatibility.