Recent now both Mp3 and Mp4 player are needed by all the people in the world, it’s needed by people for refreshing, entertain and relaxation own self for maybe eliminating stress because a lot of working in their office, market request to this players increased, therefore many vendors compete to make the players and also compete in price and quality, so do you plan to buy mp3 or mp4 player but confuse to take a choice?? Here some guide to you :

1.Storage
a storage for Mp3 player divide into 2 kind, there is hard drive and flash memory, mp3 player with hard drive is more space capacity than flash memory, the greater capacity made you can save more songs in this player, now mp3 player with hard drive reach 80 GB capacity, and can save up to 20000 songs with 128 kb/s, mp3 player with flash memory just has storage 8Gb and save up to 2000 songs 128kb/s. Recent now a mp3 player provide memory slot so you can save more songs on it

2.USB Interface
Interface is a very important, a mp3 or Mp4 player with good interface make a data transfer speed more fast and quick, transferring 4 Gb songs from pc to player with USB 1.1 interface need longer time than transferring with USB 2.0 or firewire interface, so if you want buy player with more than 1Gb capacity you should buy player with USB 2.0 or firewire interface

3*****een
What’s the function should be in mp3 player that you need? if you just need for hear musics or listen radio you should choose mp3 player with small screen, anyway mp3 with small screen usually more cheap, but if you need player which also can show photo, watch movie, you need a wider screen, that is Mp4, though the price is more expensive

4.Format File
MP3 and MP4 Player must supporting many format file, if you use wma, ogg vorbis, etc, your player must support format file like AAC, AIFF, MP3, ASF, Apple Lossless, OGG, WAV, WMA, FLAC, WMA Losless, if player can show photo the player must supporting file like JPG, GIF, BMP, PNG, and also if your player can play movie or video, your player must supporting format file like DivX4, DivX5, H.264, Motion JPEG, MPEG1, MPEG2, MPEG4, WMV, and XviD.

5.Battery
The player with hard drive storage usually spend out more power than player with flash memory, so MP3 and MP4 player which can play music or video absolutely need durable and rechargeable battery

6.Vendor and Price
MP3 and MP4 player made by famous or well known vendor usually more expensive but it so reliable, it has awesome sound quality, has good picture, durable hardware, and good warranty, so that also have to be considered


thank's in advance