This pair of Pyle View wireless IR headphones is great when you need peace and quiet in the car. They work seamlessly with our in-car DVD players and monitors that are equipped with wireless-headphone IR technology. These headphones are lightweight, durable, and have padded earpieces for long-term, comfortable listening. They're also adjustable to accommodate any size head - child or adult. The volume, power, and stereo/mono controls are conveniently located on the headphone. The headset requires 2 AAA batteries for 48 hours of battery life. With Pyle View headphones, you'll enjoy your favorites peacefully.