... V AT5512 600MHz 4G Flash - 128DDR2 FM, DVR, ISDB-T, DVB-T,Bluetooth, AV-IN. MStar MSB2521 533MHz 4G Flash - 128DDR2FM ... 1w 8ohm internal speakerBluetooth:Optional AV-IN: Optional TV(ISDB-T, DVB-T):OptionalDVR:No TMC, RS232, OBDII: Optional GPS FUNCTION ... YesSpeeding Manual:NoInstallation CD:NoCar charger:YesUSB Cable:YesCar Installation Kit:YesTouch PenYesSD/TF Card:OptionalBag of Unit:YesAdapter:Yes ...