... -179 AV-IN or bluetooth for optional -AV-IN needs more 2.3 USD, Bluetooth needs more 4.3 ... antennaColorBlackCertificateCE,ROHS,FC (Optional) FunctionBasicAV-IN & Blue tooth for optionalothersTouch screen,MP3/MP4,Photo Viewer,Mini Games,Calender, ... manufacturer in China and with years of experience for manufacturing in this digital market.hope both of ... 800*480pixel HY-179 AV-IN or bluetooth for optional