Earlier there used to be Portable Media Players(PMP) to listen the music. These devices were quite expensive and bulky portable cassette players like Walkman player. Portable Media Players have gone through a lot of stages of improvement and today we have got the most refined version of it known as MP3/MP4 Players. Today these players have become an essential device or gadget for most of us. These are light weight and can store many songs or music. Several mp4 player manufacturers, mp3 player manufacturers, suppliers, and exporters are offering premium quality MP3/MP4 Players.