USB connection for the Wii U / Switch console.
eBay
Hot Sale Detachable For Zapper Gun For Nintendo Wii Remote right left Controller wii Zapper Gun Gaming Accessories
Aliexpress UK
Switch to “Wii U” or “PC” mode by using the switch located on the side. Compatible with Windows XP, Vista, Windows 7, Windows 8, Windows 10 and more, and Mac OS under the PC mode.
eBay
For MayFlash Wireless Sensor Dolphin Bar for Wii Remote Plus Controller To for Windows PC Bluetooth-Compatible for Wii Kids Game
Aliexpress UK
Use your original GameCube controller on your Nintendo Switch 2 or Switch 1, Wii, U, PC Etc
eBay
1 Piece For Nintendo Wii Silicon Case Remote Controller Motion Enhancer Games Handle Protective Cover for Nintendo Wii
Aliexpress UK
Switch to "Wii U" or "PC" mode by using the switch located on the side. Compatible with Windows XP, Vista, Windows 7,Windows 8,32 bit and 64 bit and Mac OS under the PC mode. Sorry, no local pick up.
eBay
Built-in Motion Plus Wireless Gamepad Controller For Nintendo Wii Games Control For Nintend Wii Remote Control Joystick Joypad
Aliexpress UK
Switch to "Wii U" or "PC" mode by using the switch located on the side. For Super NES/SNES N64 To HDMI Adapter Converter HD Cable. Compatible with Windows XP, Vista, Windows 7,Windows 8,32 bit and 64 bit and Mac OS under the PC mode.
eBay
Wii Remote Mainboard for Repair Original Logic Board Only for Wii Controller Replacement Part
Aliexpress UK
It is compatible with Nintendo Switch, Wii U, and PC, making it a versatile option for anyone who loves gaming. It is easy to set up and use, and it is sure to enhance your gaming experience.
eBay
New 1 Pcs Zapper Gun For Wii Remote Right Left Controller Wii Zapper Gun Gaming Accessories
Aliexpress UK
Official GameCube controller adapter for the Nintendo Switch. Comes in original box but the back of the box is ripped as shown in photos. Unit itself is in great condition with some very minor scratches as shown.
eBay
31BA for NGC Wired Game Controller GameCube Gamepad for Video Game Console Contro
Aliexpress UK
LIMITED STOCK (once gone they are gone) Lossless GameCube controller adapter compatible with switch / PC etc these are the BEST adapter out there with the lowest latency , perfect for super smash bros and any game. they work with PC (driverless) and are compact, connecting via any data USB C cable. grab them while you can, these are extremely hard to get hold off and never sold in the UK.
eBay
DATA FROG Custom Controller Shell Replacement Parts with Buttons Joystick for Gamecube Style Console DIY Fighting Game Pad
Aliexpress UK