Yes, a Xbox One controller with a 3.5mm jack can work on a PC.
Yes, a Xbox One controller with a 3.5mm jack can work on a PC.
It seems likely it's a 2.5mm jack, though the 360 might also fit depending on the setup.
It might have been version 2.5 before, though I’m not certain. They recently updated the controller, and the latest version includes a 3.5mm jack.