Product explanation: 1)Supports MP3, WMA, the WAV form music document 2) The stochastic music broadcast function (Shuffle Songs) has brought the music broadcast new breakthrough, lets you by the way which is in sole possession of enjoy you music collection - you never to know which first music meets down the broadcast is 3)At the same time has MP3 and the migration stores up the plate the function 4)High grade digital sound recording function 5)The fashion exquisite contour design, works artisticly is fine, gives a present the high quality goods 6)Memory capacity: 128MB/256MB/512MB/1GB