'No remote control.'
'The screen can even be folded flat onto the unit to create a Tablet and the buttons are still accessible to control the unit without needing to move the display.'
'The Panasonic DVD-LS90 is fairly expensive, doesn't have a high-resolution screen, and lacks an A/V input and support for MPEG-4 and DivX video playback.'
'Unlike most traditionally designed portable players, the DVD-LS90 has a swivel-and-pivot screen that enables the bright 9-inch display to accommodate any number of viewing positions.'
'The Panasonic DVD-LS91 doesn't have a high-resolution screen and lacks support for MPEG-4 and DivX video playback.'