Specific cable kit for upgrading an original Bluetooth hands-free kit, "Bluetooth Only" version Additional parts required: Original Bluetooth control unit Bluetooth antenna Microphone When using the cable harness for the rSAP Premium hands-free kit, an additional antenna cable harness is required 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 sound suppression Functions: Display of telephone books in the vehicle (if supported from a mobile phone) Make, accept and end calls Audio gain control Scope of delivery: Plug & play cable set 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 (VW compatibility list) A detailed description of the functions of the hands-free kit can be found in the vehicle infotainment manual, chapter name, tel.