The Mayflash Nintendo 64 Controller Adapter allows users to connect their Nintendo 64 controller to a Nintendo Switch or PC for a seamless gaming experience. This black adapter from Mayflash, model MF103, is a wired USB controller adapter with a 6ft cable length, suitable for console and controller compatibility. Made of plastic and weighing 158.76g, this adapter is a versatile and convenient accessory for retro gaming enthusiasts looking to enhance their gaming setup with a classic controller.