Bluetooth Music Adapter For E46 E39 E38 Bm24 Roundpin Dz BlueMusic o adapter is a wireless music transmission device that allows you to listen to music, navigation announcements, YouTube, and more. It has title control on the radio/steering wheel for easy operation. The playback starts automatically when you select the radio and stops when you switch to another source. Please note that telephony is not possible with this adapter, a separate adapter with a microphone is required for that functionality. This adapter is developed in Germany and features an integrated amplifier for optimal audio enjoyment. It supports Bluetooth 5.0 for low power consumption and has an integrated antenna for a stable connection throughout your vehicle. Installation is hassle-free with minimum effort required. The adapter is connected invisibly to the back of the radio, specifically designed for systems with a 4:3 on-board monitor in the trunk near the radio module. No additional wiring is needed for power supply as the radio automatically recognizes it as a CD changer without any coding required.