For Audi A4 S4 RS4 B6 B7 Car Stereo GPS Nav SWC RDS Radio CarPlay Head Unit WiFi
Compatible Vehicle ModelFor S4 RS4 8E 8F B9 B7 RNS-E. Head Unit FunctionalityCar Radio. Junsun has earned itself a solid reputation for quality, reliability and professionalism in this field. Operation SystemAndroid 13.0.