MP3 players are portable music players that are able to play music in MP3 format. Likewise, such as mobile telephones have become a phenomenon of our time. Perhaps every young person has their own MP3 player and not excluding even situations where the street or in the subway or bus will meet someone wearing headphones. And the fact that they are so popular? MP3 player does excel sometimes to small size, they are feathery, have a long battery life, but mainly thanks to modern flash memory, which contain, calmly accommodate the entire collection of your favorite music. MP3 players can also via USB to easily connect to each computer and can be used as a flash drive for easy transfer to your computer data, documents, images, etc.