Products No.:CP-022 Audio format:MP3,WMA,WAV Size:87x18x13mm color:black,blue,red,green,silver capacity:4GB Music stick MP3 Player with screen,music stick mp3System RequirementsHardwareIBM PC or compatible PC, Notebook or Macintosh with USB portOperation SystemWindows98/98SE/Me/2000/XP,Window vista ultimate(32) and Linux2.4/Mac OS10.0 aboveDriver installationOnly required for Windows98/SE ...