Function via Bluetooth-enabled devices No functional limitations of the car radio. Allows you to connect an external audio source With the advancement of wireless technology, wireless transmission has become a growing trend. This product is specially designed for car use, compatible with car port systems. Features Bluetooth 4.1 protocol, backward compatible with Bluetooth versions 2.0, 3.0, and 4.0. Supports decoding of high-quality audio formats including MP3, WMA, WAV, and FLAC. Capable of stable data transmission between devices with high fidelity, ideal for music enthusiasts. Supports DSD large-capacity transmission. Can also be used for watching movies, map navigation, and other multimedia applications. Color: Black Material: Plastic Installation: Connect the red power cable to 12V+ Connect the black power cable to 12V- Plug into the CD player jack (please confirm socket compatibility). Pair your mobile phone with the Bluetooth module, select aux audio source, then play music from your phone. Compatible with all 6000CD head units equipped with Aux button and Quad-Lock connection This aux lead provides superior sound quality compared to most FM transmitter accessories Control and display remain on the original audio device – the adapter does not control or display text Please activate the correct source (AUX) on your head unit when using this adapter Your vehicle must have a 6000CD STEREO system – verify unit compatibility before purchase Compatible with: Focus 2004 onwards Mondeo 2002 onwards C-Max 2005 onwards Fiesta 2005 onwards Fusion 2005 onwards Galaxy 2006 onwards Transit 2006 onwards Package Contents: 1 x Bluetooth module