Headphones and DVD Remote for the Infiniti QX56  (Model Years: 2004 2005 2006 2007 2008 2009 2010) PLEASE CHECK COMPATIBILITY: Please check compatibility in the title above. This item is not compatible with all vehicles and model years. If your vehicle and model year is not listed in the title, this item will not work for you. *MUST* have the original factory installed ceiling mounted DVD system. WILL NOT work on aftermarket headrest systems. TWO HEDPHONES AND ONE REMOTE: You will receive two headphones (enough for two passengers) and one original Nissan / Infiniti remote. This original part does NOT require programming. Simply sit in the rear seat (it wont work in the front seats) and the headphones and remote will automatically connect to your vehicle. No programming needed! VOLUME CONTROL: Each headphone has a volume control rocker so that the rear seat passengers can adjust the volume to their liking. Remember that the volume on the DVD player must also be turned up for the volume to work. AUDIO INPUT JACK: Headphone come with an audio input jack that can be used on any compatible audio device with a headphone jack. This means you can use these headphones as wired option as well as a wireless option! PASSIVE NOISE REDUCTION: The cupped ear pieces fit over the ear helping to cancel out ambient noises. Road noise is reduced making it easier for rear seat passengers to watch their entertainment.