Wide Compatibility: Bluetooth audio adapter is compatible with the car with 3G system(For 3G MMI 2009-2011 ONLY.),such as Audi A3, S3, RS3, S4, RS4, A5, S5, RS5, A6, S6, RS6, A7, S7, RS7, A8, S8, Q3, RS Q3, Q5, SQ5, Q7, TT, TT RS, R8, R8 GT (For reference only,Not compatible with Audi A4 Bj2009.) It is not confirmed that 100% is compatible with the above model years. Depending on the date of manufacture and the specific configuration of the car. | Updated Wireless Bluetooth 5.0 Module fully compatible with Audi MMI 3G Media Interface Systems. Faster and more stable transmission provides lower power consumption and wider compatibility. | Works with any iOS, Android or any other bluetooth capable devices, mobile phones and more. You can enjoy the music via the car stereo. It makes travel become enjoyable, as engine roar gently fades away. | Superb Hi-Fi Audio Output: Original Audi AMI MMI Audio System and Bluetooth 5.0 Hi-Fi lossless audio transmission for crystal clear phone calls and music. No ground noise or echoes. | Easy to use: Plug and play. Activate the AUX mode in the MMI system and connect your smartphone with this bluetooth adapter.Works with iOS, Android and other bluetooth capable devices.