With 2 slides, 3 types freely transfer switch between Compatible With Nintendo Switch, Wii U, and PC. Switch to Compatible With "Wii U" or "PC" mode by using the switch located on the side. Small Size allowing you to use it for you switch, PC, and take it on the go.
eBay
UK Plug AC Charger Adapter for Wii U Gamepad Controller Joystick 100-240V Home Wall Power Supply
Aliexpress UK
Supports the for GC/ Wii Emulator Dolphin. Switch to PC mode by using the switch located on the side.
eBay
8BitDo Retro Receiver Wireless Bluetooth Adapter For PS1 PS2 Console Support PS5 PS4 Switch Pro Xbox One Wii U Pro Controller
Aliexpress UK
Supports the for GC/ Wii Emulator Dolphin.
eBay
AC Charger Adapter for Nintendo Wii U Gamepad Controller Joystick US/EU Plug 100-240V Home Wall Power Supply for WiiU Pad
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. We will do our best to help you to resolve your problems.
eBay
Wired Gamepad for Nintend NGC GC for Gamecube Controller for Wii Wiiu Gamecube Joystick Joypad Game Accessory
Aliexpress UK
Updated to the latest firmware, tested and everything works fine. You can use up to four controllers. Minor cosmetic wear.
eBay
for NGC Wired Game Controller GameCube Gamepad for WII Video Game Console Contro
Aliexpress UK
USB connection for the Wii U / Switch console.
eBay
G6DC for NGC Game Controller GameCube Gamepad for WII Video Game Console Contro
Aliexpress UK
USB connection for the Wii U / Switch console.
eBay
8bitDo GBros Wireless Adapter for NES SNES SF-C Classic Edition Wii Classic for Switch Gamecube
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
Wireless Bluetooth-compati Adapter Converter with USB Cable Fit for Nintend Switch for Game Cube/Classic Edition for Wii Classic
Aliexpress UK