Features: 1) Fashionable Euramerican-styled design: I-vision video eyewear with streamlined and prominent design makes you the spotlight in public 2) Convenient to have big screen on the go: eyewear-typed, light-weight of only 70g, easy-connection and built-in lithium battery let you enjoy a excellent 50-inch big screen on your mobile devices without any trouble 3) Ergonomic design for comfortable experience: the adjustability of display windows and nose support according to different users' need completely show the concept of human technology 4) Varied applications embody its value: I-vision GVD520 video eyewear works well with IPod video, PMP, portable DVD/ VCD players, PS2, X box , X box 360, TV-tuner, and all kinds of mobile TV receivers including mobile phone and PDASpecifications: 1) Display size: 68'' 2) Pixels: 640H x 480V x RGB (922K) 3) Angle of view: 32° 4) Video input: NTSC/ PAL (automatic selection) 5) Sound function: double channel stereo 6) Adjustment function: volume, nose support 7) Power input: 5V DC 8) Power consumption: 1.2W 9) Basic accessories: control box with built-in lithium battery, AC adapter, USB recharge cable, signal cables, eye patch