Switch's 4.0.0 update now allows for GameCube controller support with Wii U GameCube Adapter
Amazon.com: Nintendo Wii U Pro Controller - Black : Varios: Video Games
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
Amazon.com: JZW-Shop Controller Adapter USB for N-Switch PS3 PC, Dongle Bluetooth Compatible with PS5/ PS3/ PS4/ Xbox 360/ Xbox One X/Wii U Pro/Windows PC/Switch Pro Controller Converter Adapter : Video Games
Amazon.com: May Flash Wireless Wii U Pro Controller Adapter for PC USB : Video Games
DOBE Nintendo Switch USB&Bluetooth Adapter for Wired&Wireless Controller to Support PS3/PS4 Xbox360/One S/X Wii U/Pro Controller and Other PC X-INPUT Mode Controller Nintendo Switch Accessories - Newegg.com
Mayflash Wireless Wii U Pro Controller to PC USB Adapter - Walmart.com
8Bitdo Wireless Bluetooth Game-pad Receiver USB Converter for PS3 PS4 for WII U PRO Switch RR Adapter - Walmart.com
Switch OLED refuses to sync to Wii U Pro Controller via USB adapter. Any help? : r/Switch
Wireless Wii U Pro Controller to PC/PS3 Adapter for Windows, PlayStation 3
Random: Who Needs A Switch Pro When There's The Wii U Pro? | Nintendo Life
Wii U Pro Controller on Nintendo Switch (20) - YouTube
USB Adapter 2 for Wii U Pro and Wii Remote on Switch 8BitDo
Wireless Wii U Pro Controller Adapter for PC USB | eBay
Wireless Wii U Pro Controller Adapter for PC USB | eBay
How To Use Wii U Pro Controller On Nintendo Switch! (Game Genie Controller Adapter) - YouTube
For Switch Pro PS4 PS3 PC Xbox One S Wii U Controller Gaming Controller Adapter# | eBay
Mayflash W009 Wireless Wii U Pro Controller Adapter for PC USB 1 Pack | eBay
Nintendo Wii / WiiU / Switch / PS4 Game Controller to Nintendo Switch PS4 PC X-Input Super Converter Adapter - Brook - Stone Age Gamer
MAGIC-NS Wireless Controller Adapter for NINTENDO SWITCH & PC - Walmart.com
How to Connect Wii U Pro Controller to the Nintendo Switch - YouTube
How to Use a Wii U Pro Controller on the Nintendo Switch (Quick Version) - YouTube
