Car stereo additional functions rds radio data system usb player id3 tag android media compatible beep tone support integrated features cd player radio usb player playback cd rrw audio formats mp3 receiver tuners mw lw amfm tuner features rds radio data system rtp radio text plus station memory 18 total output power 4 x 50 watt connections usb aux in steering wheel controls subwoofer direct connect line out pre amp out display type lcd displa