MP3 Full Form is MPEG Audio Layer 3. In layman term, this refers to the consumer electronic device, which allows you to play and store music files in the format of mp3. It is a handheld device, which can also be used as flash memory to store mp3 files. It can fit into the category of a digital audio player. It can use various file types like WMA or Windows Media Audio.
Since mp3 files are small in size, downloading, uploading, or emailing them is quite simple and easy. It is compatible with numerous programs like iTunes, WinAmp, Real Player, etc. Mp3 files are about 11 times small in size than music tracks, which are uncompressed.