Use Nintendo Switch controllers with the NES Classic with this
Nintendo Entertainment System Controllers for Nintendo Switch
Nintendo Switch NES Controller
8bitdo Retro Controllers Now Compatible with Switch! - Hackinformer
You can pair Nintendo Switch controllers to the NES Classic - CNET
Nintendo Support: How to Use the NES Controllers
These Nintendo Switch Retro-Inspired Wireless Controllers Are A
You can now play Steam games with Nintendo classic controllers
Classic 16-bit Nintendo controllers get modern makeover for use
Super Nintendo Entertainment System Controller - Hardware
Nintendo Switch Now Compatible With These Third-Party Classic