There are a lot of retro handhelds, and only a few can play Nintendo Switch properly. So here’s my list of retro handhelds that have decent Nintendo Switch compatibility and are safe to purchase for Nintendo Switch, with the one caveat being that they will be limited by current emulator progress, so don’t expect full compatibility for all games.
Here’s the list (from cheapest to most expensive):
AYN Odin 2 – $299 US
Buy the AYN Odin 2 here: https://joeysrh.link/AYN_ODIN2
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Very good