... CP-022 Audio format:MP3,WMA,WAV Size:87x18x13mm color:black,blue,red,green,silver capacity:4GB Music stick MP3 Player with screen,music ... required for Windows98/SE Function characteristicsUSB InterfaceUSB2.0 high speedCapacity128MB, 256MB, 512MB, 1GB, 2GB,4GB,16GB(Optional)Storage DeviceRemovable Storage ... ,green,silverPackageBlister package, color boxCertificationCE,FCC,ROHS Music stick MP3 Player