Feel like going back to your old PC or MAC? Retro Adapter – the ideal tool! Now you can enjoy your PC games, retro emulators and your favorite PC games using the original or third party NES controller. It's not like you need much more than the D-pad and some buttons. Cable length: Over 3 1/4 feet USB 1.1 and USB 2.0 compliant No driver needed, just "plug&play" No external power source required Compatible with Windows 98/Me/2000/XP/Vista/7 et Mac