what is an MP4 and how cheap are they 
Re: MP4 Players
MP4 is a video format and the players are what you play ur MP4’s on. The prices can range anywhere from $30-40 upto a few hundred. Check out this site:
http://www.globalsourcesdirect.com/servlet/the-Electronics-cln-MP4-Players/Categories
Re: MP4 Players
I bought a mp3 player it cost me $160
Re: MP4 Players
have a look on ebay i gt few from der they were really cheap an really good