Mini SD card MP3 Audio format:MP3,WMA,WAV size:44x29.5x13.2mm color:green/red/silver/black and so on capacity:1G,2GB,4GB ... above Function characteristicsUSB InterfaceUSB2.0 high speedCapacity128MB ,256M,512M,1GB,2GB,4GB,8G(Optional)Storage DeviceRemovable Storage DeviceEQ ModeN/APlay ModeRepeat ... /silver/black and so onPackageBlister package/gift boxCertificationCE,FCC,ROHS mini SD card MP3 PLAYER