Buyee Rotating Swivel Screen Handheld Portable DVD Player LCD Screen with Function of VCD CD SD TV MP3 MP4 USB Games Car Charge (7.5 inch) Built-in super power polymer lithium battery for up to 2 hours continuous play. Super electronic shock resistance (3 seconds for DVD, 10 seconds for CD/VCD and 90 seconds for MP3) Support RMVB, MP4, MP3, WMA, MPG, AVI, VOB, JPEG formats. Built-in DOLBY decoder supporting MPEG-4 video decoding With FM,TXT Reader function