Used product, the box has been opened.
Brook Super Converter series makes old controllers compatible with new consoles. This particular model, the PS3/PS4 to PS3/PS4 Controller Adapter, lets you use PS3/PS4 controllers such as gamepads, dancemats, joysticks and racing wheels with PS3/PS4 game consoles and PS3/PS4 on PC.
This not only saves you money but also means that you can use the controllers you have grown accostumed to. Installation and use of the PS3/PS4 to PS3/PS4 Controller Adapter is effortless.