Don’t know what codec it uses but it works fine with Phonaks.

Depends on your country but switch games range 50-70 € and pc games are more like 10-100€ but with ones comparable to Switch games mostly 30-60€. So yes mostly, but they’re not that far off that they would definitely do poorly.

I think they swapped out thumb sticks and fans at some point before OLED? It wasn’t a major thing.