Specific cable kit for retrofitting an original Bluetooth hands-free kit, "Bluetooth Only" version Additional parts required: Original Bluetooth control unit Bluetooth antenna Microphone Easy 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) Selectable options: Quadlock ISO Functions: Display of telephone books in the vehicle's FIS Make, accept and end calls Adjustment of audio gain Language control via MFL (language module required) Scope of delivery: Cable set Installation instructions for download 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's infotainment manual, chapter name, tel.