Bluetooth Music Adapter for BMW E46 E39 E38 Business BM24 Rundpin (1pc, Black) BlueMusic audio adapter for wireless transmission of music, navigation announcements, YouTube, and more Title control via radio or steering wheel Playback starts automatically when radio is selected, stops when switching to another source Hands-free telephony not supported (use a separate adapter with microphone for this function) Developed in Germany Integrated amplifier for enhanced audio performance Supports up to Bluetooth 5.0 for low power consumption Built-in antenna ensures stable connection throughout the vehicle Installation: Minimal installation effort required Adapter connects discreetly to the back of the radio Compatible with models equipped with 4:3 onboard monitor located in trunk near radio module No additional wiring needed for power supply Radio automatically detects the device as a CD changer – no coding required Product specifications: Dimensions: 3 cm Color: Black Package includes: 1 x Music Adapter