This is an N64 controller to USB adapter with dual controller ports.  This is not the adaptoid and it's not the buggy N64 adapter with the Playstation ports either.

Two players can play simultaneously No driver needed, just plug and play For Windows 2000, XP, Vista No driver needed, just plug and play For N64™ Controllers

Description

All buttons are supported, works with any modern PC game. It allows you to play all PC games designed to be played with joysticks or any other software that supports joysticks or controllers. Very easy to install and to setup, just plug it in.  The drivers are plug and play in Windows 2000, Windows XP, Windows Vista. Please Note:  Use original Nintendo brand controllers along with this adapter. Third party controllers may not work properly with this adapter.  Officially generic controllers are not supported, but they may still work; generic controllers that do not work with other N64 adapter models work with this adapter.

Shipments to Italy, Spain, Brazil, Russia and Mexico require priority or express mail international shipping.