How to use Stadia Controller on PC or Steam [Two Methods]
Stadia works on the Steam Deck, but not fully just yet - 9to5Google
GameSir X3 Type-C Mobile Game Controller for Android Phone(110-179mm) with Cooler Fan - Cloud Gaming: Support Xbox Game Pass, Stadia, GeForce Now, Steam, PlayStation - Plug and Play Gamepad: Amazon.co.uk: Electronics &