Featuresr 52inch 43 wide screen virtual display none radiation lcd panelr support multimedia video format mpgrmrmvbaviflv etcr enjoy movies music photos and favorite books in private at any time and any placer built in 4gb flash memory support micro sd tf card max 32gb expansionr built in earphones super dynamic quality stereo sound effectr built in rechargeable li battery low power consumption last long enough for a movie or twor simple and intuitive 7 buttons easy to op