... MP3 Player Specifications:1.Supporing, MP3,WMA,WAV audio format2,Color:green/red/silver/black and ... 1.Hardware IBM PC or compatible PC, Notebook or Macintosh with ... and Linux2.4/Mac OS9.0 aboveFunction characteristics 1.USB Interface USB2.0 high speed2.Capacity 128MB ,256M,512M,1GB,2GB,4GB ... Range 20HZ~20KHZ Physical characteristics 1.Battery Type Rechargeable lithium-ion polymer battery2.Storage Temp* - ...