It's actually different than the OG Lightning, it's quite wider. (the tweet has comparison pics)

There's actually another undocumented pin-hole ejection feature in apple hardware. ifixit found during their teardown of airpod Max that you can disconnect/remove the earcup in one go with a sim tool, allowing for theoretical easy mix and match (or headband replacement) [1]

[1] : https://www.ifixit.com/Teardown/AirPods+Max+Teardown/139369#...