... ,WMA,WAV Size:87x18x13mm color:black,blue,red,green,silver capacity:4GB Music stick MP3 Player with screen,music stick mp3System RequirementsHardwareIBM ... Relative Humidity*20% ~93%(40C)SizemmL*W*H :87x18x13mmWeightgAbout 30gColorblack,blue,red,green,silverPackageBlister package, color boxCertificationCE,FCC,ROHS Music stick ...