There are many stylus pens ... as touch sensitivity, input keys, and even electronic erasers, while a passive stylus has no such features and is simply used to write directly on the screen.
These pens are fairly cheap and since you get several from the pack, you can have a few back up styli in case you lose one while taking your Switch with you on the go. Perhaps the best stylus you ...
That lovely Retina display is begging for a good stylus pen ... best. Along with pressure sensitivity, the Apple Pencil Pro docks and charges magnetically (no cables!) and has onboard touch ...