V10
Compatible with MacOS (must update it on Windows ,however).
Support Hitbox Smash Box Arcade Controller (the adapter needs both USBs plugged in for the Smash Box to have enough power).
PC Mode with 1000HZ polling rate.
How to update W012 GameCube Adapter for Wii U?
Download the firmware from https://www.mayflash.com/Support and install it on your Windows PC.
Push the switch on the side of the adapter to “PC mode” and plug the black USB port to your PC.
select “update Firmware”.
Donot disconnect the device until you are informed that the updated was completed successfully.