GPX PD931B 9 Inch Swivel Screen Portable DVD Player (Black) Portable DVD player with a 9 - Inch swivel screen TFT LCD display, Plays DVD, DVD+-R/RW as well as CD, CD-R/RW, MP3 CD, JPEG CD, Audio via the built-in speakers, through the headphone jack, or via the audio output jack, Has built-in rechargeable battery that lasts about 2 hours on a full charge, DC power input: requires an AC/DC power adapter or 12V car power adapter (both included)