•Cavo audio auto DC 12V adattatore AUX Bluetooth5.0 per W169 W221 W251 W245
And select Aux from the radio, then you can use your phone to play music through the car speakers. 1 x AUX Adapter. Can support ordinary MP3 format audio, and also support WMA, WAV, FLAC and other high‑quality audio format decoding.