7 Inch Portable Dvd Players Good, Cheap, But Very Basic. Which Portable Dvd Player To Get?

Which Portable Dvd Player to get? - 7 inch portable dvd players good, cheap, but very basic.

I thought of Christmas with a portable DVD player to get. I want a cheap, 7-8 cm, you can multi-region DVD player, good qualities, AV input and output and headphone jack to play. Help please? The only thing that is very expensive, and do not want to spend much money.