4 Pack Kid Sized Wireless Infrared Car DVD IR Automotive Colored Adjustable 2 Channel Headphones With Case and 3.5mm Auxiliary Cord. Note: Will Not Work on 2017+ GM's or Pacifica Each Headphone comes with a matching durable case and Auxiliary cord 3.5mm Auxiliary cord to also use on any device with a Standard Headphone Jack such as a smartphone, tablet, Leap Pad, or MP22 Perfect for the kids to also take on an airplane! Simply plug into the armrest Wireless for IR Car Systems with One or Two Channel Infrared systems Perfect for children 2 years + Adjustable to fit adults too