Bluetooth AdaptSimple Installation Process: Put the plug into car's USB & AUX 3.5 socket, select Audio AUX model for play music (if required by your vehicle), connect the bluetooth adapter by cell phone/ipod/device to play music. Please restart cell phone to connect the adapter if did not success at first timeImportant Purchase Notes: This bluetooth adapter does not support simultaneous charging via USB and streaming of music, does not have volume control unit button, does not support changing songs from the iDrive system or steering wheel, the playlist will not be displayed on the car screen, and a small portion of cell phones may need software updates for compatibility. Audio systems with modifications may not work with this adapterHands Free Functionality: This 5.0 Version Bluetooth supports hands free function for convenient calling while drivingWide Vehicle Compatibility: Compatible with BMW 1/3/5/6/7 series (2004-2016), BMW X1 X3 X5 X6 (2006-2013), and Mini Cooper R55, R56, R57 (2007-2016) without Dashboard navigation system/screen. NOT compatible with Z4 or E46. Also fits most vehicles and home appliance audio with USB/AUX IN interface for Bluetooth transmission functionSuperior Sound Quality: This adapter is compatible with BMW and MINI cooper models with AUX IN and USB (S6FLA) ports and BMW's without an in dash navigation system/screen. Sound is stable and the quality is better than other FM channel bluetooth transmission productsBluetooth 5.0 Technology: Features advanced Bluetooth 5.0 version for reliable wireless connectivity and enhanced audio streaming performance from your smartphone or tabletApp Streaming Support: Supports music streaming from popular apps including YouTube, Spotify, and iTunes, and automatically re-connects every time you enter the vehicle for seamless entertainmenter for BMW Mini Cooper Aux 3.5 | Cellphone Play