Features: VISION-720A can work as a displayer and is equipped with AV-IN Port, easy to connect with the DVD, TV BOX, for PSP and other devices with AV Output port. 68 inches 4:3 large virtual screen in the 2 meters distance, no radiation micro full color LCD display. Physical resolution is up to 654 * 480 (WVGA). An included comfortable peripheral eyepatch offers you long time wearing comfort and provides a good shading effect, no worry about light leak. With attached dual channel stereo headphones, it integrates video image and audio output, bringing you great visual and audio experience. Built-in 750mAh rechargeable lithium battery supports about 3 hours of playing time on one full charge.