... FormatMP3,WMA,APE,FLAC,OGG,WAV Frequency response: 20Hz to 20000HzSupport Photo FormatJPG,JPEG,GIF,BMPSupport USB KeyboardYESFile BrowserPHOTO/MUSIC ... OTG PortHigh Speed Micro mini USB Port for OTGCard SlotTF CardHDMI JackSupportIntegrated Bluetooth2.1+EDR,2.4GPower Supply SpecificationsPower SupplyPower ... invoice with lower value, this is just only to help you to save money.As a buyer,it's your duty ...