2 Pack of THE NEW PRO VISION PRHE1001 / PRHE 1001 Universal IR Wireless Entertainment System Infrared DVD Player Headphones for in Car TV Video Audio Listening Extra foam cushioning for superior comfort Auto Shut-Off saves battery One size fits all - easily adjusts to fit any size head Touch On/Off Switch and Volume Control conveniently located on side of headphone Headphones require 2 AAA batteries.