What is a mp4?

How do I navigate my new mp4 player

How do I download music to my mp4 if I didnt recieve any information on how to do it when I bought the mp4?

I recorded something on my mp4 and when I put it on my phone it lets go to the phone but when I want to Play it wont work do ...

I'm looking for somewhere I can download youtube videos in mp4 format, or just where I can download slipknot music videos, or...

Can you convert an lst file to an mp4 file, and if so how and with what program?

I have the mp4 player that looks like a ipod and I didnt have this problem like 2 weeks ok it was working fine but I think I ...

Is there a way to convert an MP4 into an MP3? I wrote this garage band song on a Mac and sent it to my home computer (PC) but...

I was given an mp4 player by a friend, it works great, I can sync music, and even pics, but when I sync a video to it it sync...

I transfer videos(each one with a different format to check if the mp4 really support all formats listed on the manual) from ...

is there any way of putting videos on to my mp4 player (creative zen neeon 2) through media player or do I need a certain typ...