Usage Tips:Bluetooth Musik Adapter Bmw E46 E39 E38 Business Bm24 Rundpin(1pcs)(black) BlueMusic audio adapterfor wireless transmission of music, navigation announcements, YouTube etc.Title control on the radio/steering wheelPlayback starts automatically when you select the radio, stops when you switch to e.g. radioTelephony is not possible via the adapter (please use the adapter with microphone for this)Developed in GermanyIntegrated amplifier for optimal audio enjoymentSupports up to Bluetooth 5.0 for low power consumptionIntegrated antenna for stable connection throughout the vehicleInstallation:Minimum installation effortThe adapter is connected invisibly to the back of the radiofor stem with 4:3 on-board monitor in trunk near radio moduleNo additional wiring required for the power supplyThe radio automatically recognizes it as a CD changer, no coding requiredProduct specification: 3cmColour: BlackProduct List1*Music Adapter