Autotain Autotain-Cloud 2 Channel KID SIZE Universal IR Infrared Wireless or Wired Car Headphones Cloud The Most Comfortable KID SIZE Car Wireless Headphone for Hours of Comfortable Enjoyment Dual Channel IR (Channel A or B) = Very Important with 2 or More Kids in the Backseat Universal IR Signal for In Car Audio from the Factory or Aftermarket Video & Audio Devices. Compatible with Headrest DVD Players, Flip Down DVD Players and other Car Video Devices. Can Also Use Outside the Car. Use as Wireless OR as Wired with the Included Cable. Works with Smart Phones, Tablets, MP3 Players & More! Auto Shut-Off After 5 Mins of Non-Use & Convenient Foldable Design for Easy Storage