[2 Pack] AUTOTAIN Car Headrest Audio Universal Wireless IR "2 Channel" Headphones for Kids in Car For DVD TV Monitor Infrared Folding Adjustable Headset [2 PACK] COMPATIBLE with any vehicle wireless IR signal (OEM and aftermarket) - Adjustable strap to allow a comfortable fit for both small and large heads DUAL CHANNEL headphones allow 2 audio frequencies at the same time - Channel A Left: 2.3MHz Right: 2.8MHz Channel B Left: 3.2MHz Right: 3.8MHz AUTOMATIC SHUT OFF prevents battery drain when not in use + Folding design for compact storage when not in use ADJUSTABLE STRAP for a comfortable fit for heads of all sizes. Wide angle IR for clear audio up to 30 degrees off to the side (middle seat)