The NES Classic Mini was one of the earlier releases in what became a wider trend for tiny versions of classic retro consoles to be released. Everybody wanted one but numbers were limited, so only the
Controller Adapter - Hyperkin - Hyperkin Store
8bitdo's $25 Wireless Gamepad Solves the Biggest Problem With the Super Nintendo Classic
Nintendo NES Classic Controller : Video Games
You can play the NES Classic wirelessly with this tiny adaptor - The Verge
NES Classic Mini Guide
The Quest for the Ultimate NES Classic Edition Wireless Controller - Feature
♻ Wide Compatibility: Wireless USB controller is mainly designed for playing classic old school retro SNES /NES emulated games on computer or
KIWITATA 2.4G Wireless USB Controller for Retro NES Emulator Games, 2 Pack Rechargeable Wireless NES USB PC Remote Game Pad Controller for Windows MAC
Nintendo Classic Mini NES Teardown - iFixit
SNES Classic Mini review
NES Classic Mini Guide
The Quest for the Ultimate NES Classic Edition Wireless Controller - Feature
The mini NES Classic controller works with your Wii U Virtual Console games - Polygon
Your NES classic can run the SNES Mini games, and (probably) vice versa
2 Pack NES Wireless Controller for Nintendo Classic Mini Edition, AGPTEK 2.4G Wireless Game Controller Support NES and PC for NES Classic Gaming System Console, Raspberry Pi 3/2/1 Platform
The NES Classic is back, but Switch owners should think twice - CNET