Specific wiring to replace the old generation of hands-free kit with the new Bluetooth generation for Audi A4 8E (B6) Simple installation of the hands-free kit thanks to precisely manufactured cables For the complete kit, see article number 37579 Best speech quality (even at high speeds) Full integration into the vehicle's electrical system Scope of delivery: cable set Notes: This specific wiring is only intended for the Bluetooth solution without connecting a holder