https://www.amazon.com/gp/product/B07X6KDQ98/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
mClassic Plug-and-Play Video Game Console 1440p/4K Upscaler - Upgrade Your Graphics Card in Real Time with No Lag for Nintendo Switch, Playstation, Xbox, Wii, Gamecube, Dreamcast and More!
Marseille Inc
There are 3 settings
OFF
Green is On
Blue is retro mode.