Enjoy your music and movies with the Power Acoustik HP 11S 1-Channel Wireless IR Headphones. They have a high-quality design and are built for superb audio and maximum comfort. Adjustable straps provide just the right fit for your head size while the swivel ear pad design lets you pack them away when not in use. Your passengers can listen to their movies or shows completely wirelessly through infrared transmission. The variable volume control keeps the sound at a comfortable level that won t damage your ears. The on-ear and over-ear headphones also include a 3.5mm connector that lets you listen directly from any portable audio device. The headset requires 2 AA batteries to operate and a hardened plastic carry case is included for protective storage.