Amazon.com: 8Bitdo Gbros. Wireless Adapter for Nintendo Switch (Works with Wired GameCube & Classic Edition Controllers) - Nintendo Switch : Everything Else
8Bitdo Gbros. Wireless Adapter for Nintend Switch for GameCube for NES/for SNES/for Wii Classic controller|Replacement Parts & Accessories| - AliExpress
8bitDo GBros Wireless Adapter for NES SNES SF-C Classic Edition Wii Cl
Restored 8Bitdo Gbros. Wireless Adapter for Nintendo Switch Works with Wired Gamecube & Classic Edition Controllers 83GA (Refurbished) - Walmart.com
Hardware Review: 8BitDo GBros. Adapter - Use Your GameCube Pad Wirelessly With Smash Bros. Ultimate | Nintendo Life
Amazon.com: 8Bitdo Gbros. Wireless Adapter for Nintendo Switch (Works with Wired GameCube & Classic Edition Controllers) - Nintendo Switch : Everything Else