Use Your Switch Lite as a Controller for a Docked Switch??? (Brawlhalla, Brawlout, Smash Bros)
So it shouldn’t come as a surprise that the answer is no. At the time of writing, the Lite handheld cannot be used as a controller for PCs or other consoles. Nintendo has built the Lite device to be an entirely self-contained gaming machine, with some connectivity for other Switch and Lite users.