The head unit holds the game being played and is connected to a controller with a cable approximately  long. The controller requires 4 AAA batteries and sports a cartridge storage slot (for keeping an additional game protected and available), volume adjustment dial, and brightness adjustment dial.
The central component contains the currently played game and is connected to a controller through a cable measuring around  length. The controller needs 4 AA batteries and has a cartridge storage compartment, as well as controls for adjusting volume and brightness.