... used as a portable storage disk, no driver installation requiredParameter:1)Hardware PC, Notebook or Macintosh with USB port 2)Capacity ... )Frequency Response Range 20HZ-20KHZ 7)Record Frequency 8KHZ 8)Music Format MP3, WMA 9)Music Sampling Rate 32Kbps-256Kbps 10)USB1 ... *H48.5cm/100PCS/12.5KG.15) Colour: SILVER, PINK, BLUE, GREEN, RED, orange, Black. promotion mp3 player