Most PDPs use
TFT LCD, some using
LED backlighting. The most common PDP screen size is , although some are as large as - the larger size competing with
tablet computers. The battery weight and need for portability presented problems - including problems with mechanical shocks interrupting the reading of the DVD. Some have
articulating screens that rotate 180 degrees & fold flat. Portable DVD players generally have connections for additional screens and a
car lighter plug. Some PDPs had
iPod docks,
USB and
SD card slots built in. Some can play videos in other formats such as
MP4,
DivX, either from CDs, flash
memory cards or USB
external hard disks, and some DVD players had a
USB video recorder. Additional features found on PDPs include: • Wi-Fi access, allowing it to play
Internet TV. •
Bluetooth, allowing users to play content from or to other devices like
smartphones. • AV inputs for external
game consoles; now some selected models have built-in emulators for playing, usually retro, video games. • The ability to display more than just video DVDs, such as other video formats, image formats and music formats • A built-in digital TV tuner, so you can watch digital TV on the go.
Price range Prices of portable DVD players vary, usually retailing for about US$40–300. When first released, portable DVD players would retail at over $1,000 and were only manufactured in Japan. Price drops in 2015 have led to some devices being retailed for as little as $40. ==See also==