Not a official Nintendo wavebird.
eBay
2.4 GHz Wireless for GameCube Switch Online Controller, NGC &USB Receiver,Compatible for Switch 2 Windows PC Mac Raspberry Pi
Aliexpress UK
1 2.4G Wireless Adapter. 3,Using the 2.4G wireless connection, play from up to 33 feet away without lag or disconnection.
eBay
5 Colors Wireless Gamepad Controller for NGC game console with 2.4G Adapter Gamepads Joystick for GameCube Video Game Console
Aliexpress UK
Observe the LED on the receiver begin to blink. Third Party Product Not Made by Nintendo. Supports Full 360° range of motion with high accuracy joysticks. We product modules. work with many big factory directly.
eBay
Game Controller for GameCubes NGC Game Console with 2.4GHz Adapter Wireless Gamepad Manette for Nintendo Gamecube Joystick
Aliexpress UK
Xbox One (Bluetooth only). Switch Pro. Switch Joycon. "Over the Air" Firmware Updates!
eBay
2.4GHz BT Game Controller for GameCubes NGC Wireless Gamepad Manette for Nintendo Gamecube Joystick
Aliexpress UK
3,Using the 2.4G wireless connection, play from up to 33 feet away without lag or disconnection. 1 2.4G Wireless Adapter. 7,Plug and Play, no extra drivers needed.
eBay
2.4GHz Wireless Game Controller For NGC Gamepad Joystick for Game-Cube For Nintendo For NGC
Aliexpress UK
Nintendo GameCube Official Wavebird Wireless Controller | TESTED | CONTROL ONLY!. Condition is Used. Dispatched with Evri Tracked.
eBay
A Power GameCube NGC Style Wireless Controller For Switch NS Bluethooth Gamepad
Aliexpress UK
1 2.4G Wireless Adapter. 3,Using the 2.4G wireless connection, play from up to 33 feet away without lag or disconnection. The pictures have all been beautified, and the actual product may have a slight color difference.
eBay
2.4GHz Wireless Controller Gamepad joystick receiver for GameCube NGC Accessories
Aliexpress UK
Official Nintendo WaveBird Wireless Receiver for GameCube controllers Model: DOL-005 Fully tested and in working condition Details: • 📡 This is the original receiver unit for the official WaveBird wireless controller • 🔌 Plugs directly into the controller port of a Nintendo GameCube or Wii console • ✅ Fully tested – syncs properly and works without issue • 🎮 Controller not included – receiver only Perfect replacement if your original receiver is lost or damaged. 100% genuine Nintendo hardware – not a third-party copy.
eBay
LinYuvo KS62 Wireless Controller with Charging Station for Switch/Lite/OLED PC&Android, Retro GameCube Turbo with Back Button
Aliexpress UK