Usage Tips:SoundUsing high-end Bluetooth master chip, stable bluetooth transmission performance, ensure audio transmission not distorted. This aux cable 12-pin surface big plug adapter provides superior sound quality, reach high-definition standards.Easy Plug &Play InstalaionSimply put connector to the back of your car radio, no additional wiring needed for power supply. Open the phone bluetooth, search bluetooth click on the link. And switch car CD to AUX mode, then you can enjoy music from your phones.Play Music OnlineAdopted bluetooth 5.0 protocol, compatible with 2.0, 3.0, 4.0 other versions of bluetooth protocol. This bluetooth audio aux adapter supports various audio source from your phone apps, enjoy real in-time popular music, say goodbye to disc and long signal cable.Compatibility ReferenceCompatible with BMW Z4 (E85/E86), X3(E83), Mini Cooper (R50/JCW), Mini Cooper S R53, this bluetooth audio AUX adapter perfectly fit your car audio devices.Premium MaterialMade of ABS plastic, this radio stereo aux cable adapter is solid, durable and has a long service life. Supports bluetooth audio and microphone hands free. You can answer phone call without difficulty.Specification:Material: ABS PlasticColor: BlackBluetooth Version: 5.0Voltage: 5-12VFitment:Compatible with BMW Z4 E85 2003 - 2008Compatible with BMW Z4 E86 2003 - 2008Compatible with BMW X3 E83 2004 - 2010Compatible with BMW Mini Cooper R50 2000 - 2006Compatible with BMW Mini Cooper S R53 2000 - 2006Compatible with BMW Mini Cooper JCW 2000 - 2006Package Included:1 PCS * Bluetooth Audio AUX Adapter1 PCS * Microphone