Feature:
1.Switch to “Wii U” or “PC” mode by using the switch located on the side
2.The driver is required if you need the vibration feedback on the PC mode
Compatible with Windows XP, Vista, Windows 7,Windows 8,32 bit and 64 bit and Mac OS under the PC mode
3.Supports the built-in Vibration Feedback with no delays by plugging the two USB ports of the adapter into your Wii U system or PC USB connector ports
4.The GameCube Controller Adapter allows you to connect up to four GameCube controllers (or wireless GameCube controllers) to a Wii U system, PC USB, Switch

  Product  Parameter :
1.2USB:Interface
2.USB Length:2.5M
3.System:For Wii U/Switch /pc
4.Packing Size:132X95X40MM
5.Prosuct Size: 125X80X38 MM
6.Packing List:1 Adapter packing in Color box 
7.Weight:176g(With packing )  156g(Without packing)