You can use the iPad as a second monitor on Windows too and it works nicely. I also use my airpod pro's with my Dell Windows XPS and it's perfect.
Also the nice thing for headphones within apple is, that the airpods automatically switch to where the attention is... meaning e.g., in case I watch something on the laptop and pick up an iphone call (no matter if via phone or any app) the airpod automatically switches