Specific cable kit for retrofitting an original Bluetooth hands-free kit, "Bluetooth Only" version Required additional equipment: Original Bluetooth controller Plastic housing + filling Bluetooth antenna Microphone Simple installation of the hands-free kit (FSE) thanks to precisely manufactured cables There is no difference to the factory OEM hands-free kit Selectable options: Quadlock ISO Mini ISO Suitable for the following vehicles: Audi A4 8E Audi A4 B7 Audi A4 Cabrio Advantages at a glance: High-quality audio output (also at high speed) Full integration into the existing radio navigation unit Mute Control from the head unit (only 5.0 BNS, RNS-E) Control via the multifunction steering wheel (if available) Use of the following telephone functions: Phonebook entries (display in FIS) Current, accepted and ended calls Volume control Language control via MFL (RNS-E) (high required) Scope of delivery: cable set Note: Please note the compatibility with your mobile phone Bluetooth (Audi compatibility list) for a detailed description of the functions, see Infotainment preparation - Operation under the chapter name, tel. Vehicles with BNS 4.0 navigation (Navirechner in the trunk) on request select the following connection type in connection with the following radios: Chorus, Concert, Symphony II, ISO Chorus, Concert, Symphony II +, RNS-E, BNS 5.0, quadlock RNS-D, Mini ISO