Four Times The Resolution of Standard ezVision       ezVision X4 Video Glasses offers you a 64" virtual screen that fit like a pair of glasses.  The ezVision X4 Video Glasses are ultra lightweight, weighing less than 4.0 ounces.  With built in earphones, an 5 hour rechargeable Lithium ion battery pack, iPod Video* & DVD adapters, and the included wall charger, you canenjoy movies, music videos, cartoons, and podcasts. ezVision takes the “home” out of home theater and makes a portable wide-screen experience…well..ez. Also See the ezVision G1 - 50" Screen