Panasonic DVD-LV50 5-Inch Portable DVD Player 5-inch widescreen LCD with 4:3/16:9 zoom screen selector and Freestyle design for greater positioning flexibility DVD-RAM, DVD-R video playback; MP3, CD-R, CD-RW audio compatibility 2.5 hours of playback on internal battery (no bulky attachments) Optical digital-audio output passes Dolby Digital and DTS 5.1-channel audio (for use with compatible AV receivers) Hi-Speed Smooth Scan scans as high as 200x (you can scan a two-hour movie forward or backward in just 40 seconds)