... .:CP-022 Audio format:MP3,WMA,WAV Size:87x18x13mm color:black,blue,red,green,silver capacity:4GB Music stick MP3 Player with screen,music ... Relative Humidity*20% ~93%(40C)SizemmL*W*H :87x18x13mmWeightgAbout 30gColorblack,blue,red,green,silverPackageBlister package, color boxCertificationCE,FCC,ROHS Music stick MP3 Player