The Big Ben Body Pad is a third party accessory made by BigBen Interactive that was released on May 16, 2005. The accessory was released for the PlayStation 2 and Xbox. A version was also bundled with Dead or Alive Ultimate.
It is compatible with every fighting game on the console. The promo video also shows DDR and Sports games.
You can change the movement input with the 2,44 GHz box connected to the Xbox.