Features: 52inch 4:3 wide screen virtual display, none radiation LCD panel. Support multimedia video format MPG/RM/RMVB/AVI/FLV, etc. Enjoy movies, music, photos and favorite books in private at any time and any place! Built-in 4GB flash memory, support micro SD / TF card max. 32GB expansion. Built-in earphones, super dynamic quality stereo sound effect. Built-in rechargeable li-battery, low power consumption, last long enough for a movie or two! Simple and intuitive 7 buttons, easy to operate. USB interface allows easy and high speed file uploading. Sleek ergonomic design and lightweight for comfortable wearing. Equipped with detachable light shield and carry bag, more convenient to use and carry.