Earlier quoted context omitted.
In all the pairs I own it's some arcane combination to enter pairing mode, and then have you tried adding BT headphones to windows when the same ones were paired in the past? You have to remove them first then go back into pairing mode again. It's more bullshit than I'm willing to deal with. With a jack you plug them in and they work.
You don't have to enter pairing mode if the device remembers previous pairings, which is not that strange.
Good luck pressing that button five dozen times to take the call on your work phone after using them with your desktop, only to find out that your glorious BT device only has 4 memory slots like a videogame from 1991, and unlinked your work phone when you used them with your tablet.