Car stereo additional functions rds radio data system usb player bluetooth integrated features car radio with screen cd player radio usb player dvd player sd card reader playback cd rrw audio formats mp3 video formats mpeg 4 receiver tuner amfm tuner feature rds radio data system station memory 30 total output power 4 x 45 watt connections usb aux in sdsdhc card reader line out display size inches 7 inches display size cm 1778 cm illumi