On the controllers of the Quest Pro. Pricey, but sexy, self-tracking. If need be, one can buy these seperately for the Quest 1-3.
https://mixed-news.com/en/metas-new-...dded-features/
The controllers that come with the Quest 2. They seem to pass the test with flying colours.
https://mixed-news.com/en/quest-3-co...cking-quality/