NAVISKAUTO(TM) Pack of 2 Universal 2 Channel Infrared Wireless Car IR Headphones Headsets-Black Universal IR Signal for In Car Audio from the Factory or Aftermarket Video and Audio Devices Compatible with Headrest DVD Players and other Car Video Devices. It Can Also Use Outside the Car Dual Channel IR (Channel A or B): Very Important with 2 or More Kids in the Backseat The Most Comfortable Car Wireless Headphone for Hours of Comfortable Enjoyment, Durable and Lightweight Multi-use: Can Use as Wireless OR as Wired with the Included 1.4m Audio Cable for 3.5mm Port Devices. Works with Smart Phones, Tablets, MP3 Players, etc