https://www.gamespot.com/articles/snes-style-controllers-for-switch-8bitdo-sf30-pro-/1100-6455313/

8bitdo put nostalgia to practical use with the SF30 Pro and SN30 Pro, two controllers that are modeled after those of the Super Famicom and Super Nintendo. By adding modern touches, these controllers make for fully functional gamepads for the Nintendo Switch. Both connect via Bluetooth and are also compatible with Windows PC, MacOS, Android, and Raspberry Pi devices.

One controller retails for $50 USD, but you get a fully featured gamepad; even though it's modeled after the SNES pad, you get two bumpers (L, R), two triggers (L2, R2), dual analog sticks that click downward, and the home and screenshot buttons you see on Switch controllers. The SF30 Pro and SN30 Pro have motion controls as well, which is extremely important for games like Super Mario Odyssey and Splatoon 2.