Specific cable kit for retrofitting an original Bluetooth hands-free kit, "Bluetooth Only" version Suitable for installation behind the glove compartment Additional parts required: Original Bluetooth control unit Bluetooth antenna Microphone Simple installation of the hands-free kit thanks to precisely manufactured cables There is no difference to the factory OEM hands-free kit Features: High-quality audio output (also at high speed) Fully integrated system Audio doorbell Control via radio navigation unit Control via multifunction steering wheel (if available) 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: Plug & play cable kit Notes: Not suitable for head units with ISO connection - Only for head units with Quadlock connection 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.