Specific cable kit for retrofitting an original Bluetooth hands-free kit, "Complete" version for Audi A4 8K, Audi A5 8T This cable kit is only suitable for vehicles with the following radio systems: Concert, Symphony Simple installation of the hands-free kit thanks to precisely manufactured cables. There is no difference to the factory OEM hands-free kit. Advantages: High-quality audio output (also at high speed) Fully integrated system Sound suppression Control via radio navigation unit Control via multifunction steering wheel (if available) Scope of delivery: Cable set Notes: Please note the compatibility with your Bluetooth mobile phone (Audi compatibility list) A detailed description of the functions of the hands-free kit can be found in the vehicle infotainment manual, chapter name, tel.