Philips Portable DVD Player, DVD, NTSC, PAL, 3.5", 320 x 240 pixels, LCD, 30 ms Philips Portable DVD Player. Disc types supported: DVD, Analog signal format system: NTSC, PAL. Display diagonal: 3.5", Display resolution: 320 x 240 pixels, Display: LCD. Signal-to-Noise Ratio (SNR): 80 dB. Audio formats supported: MP3, WMA. Weight: 13.1 oz (370 g) http://archive.laptopmag.com/Review/Philips-Pet320.htm The first thing we noticed about this portable DVD player is that it’s only slightly larger and heavier than our ancient CD-playing Walkman. The PET320 is not the sexiest-looking object ever created, but it won’t make you look like an A/V frea... CD-player size with DVD functionality, Rechargeable battery, Easy-access menu screen Short battery life, Needs better headphones, Difficulty reading discs when propped upright with stand https://www.cnet.com/reviews/philips-pet320-review/ In the past year or so, a handful of electronics manufacturers have started producing what this reviewer has long clamored for: an inexpensive portable DVD player thats styled like a portable CD player (think Sony Discman) with a screen built into its... The Philips PET320 is an inexpensive, compact, and attractive Walkman-style portable DVD player. Its 3.5-inch, 4:3 display isnt very conducive to wide-screen material, and its stand is flimsy. The Philips PET320 is an example of the potential--though not the complete realization--of the palm-size portable DVD player concept.