With the ability to play games, movies, music and more in the CX-9, the Dockable Entertainment System with Game Boy(R) Advance (DES) provides endless enjoyment, truly enhancing the travel experience of the passengers and driver alike. The system combines the versatility of a premium in-vehicle player, a portable DVD player, 10.2-inch display and the world's most popular video game platform. The complete Mazda accessory kit contains a dockable DVD player, roof-mounted docking station, two wireless headphones, a wireless game controller, AC charger and a carry bag. A factory-installed, roof-mounted Rear Seat Entertainment System option with Bose 5.1 surround sound, 115V power outlet and audio/video input is available for customers choosing vehicles not equipped with a moonroof.