Bluetooth version 5.0, high-speed transmission without distortion, the sound quality can reach high-definition standards. Car Bluetooth music players have wireless music transmission functions and are designed for old and current car audio systems, because many consumers find that listening to music is troublesome. If there is no car and no reserved audio input port, they need to burn discs. Moreover, disc audio source updates are slow and inconvenient. For example, some cars are equipped with external audio input ports. To listen to music, you need to pull a long signal cable, which is very inconvenient to drag on the center console. If you use Bluetooth transmission, you can say goodbye to clutter, and you can actually online. In the era of streaming media, various online APPs are very convenient, and the audio sources are updated in a timely manner. This product is designed for different of car models. It is equipped with different connectors according to the interface reserved on the back of the car host. The product uses a wide range of voltage input to adapt to different usage environments. If the call comes, you can answer the call with clear sound effect. Bluetooth name:JieRui-BT 5908 Bluetooth version:5.0 Product voltage:5-12V Microphone cable length:1.5 meters Fitment: For (E60):5 Series:525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT & M5 (Sedan and Touring) 2004-2010 For (E63) (E64):6 Series: 630Ci, 630i, 645ci, 650i, M6 (Coupe and Cabriolet/Convertible) 2003-2010 For (E65) (E66):735i, 735li, 740i, 740li, 745i, 745li, 750i, 750li, 760i, 760li 2002-2008 For 1er Serie (E87, E88, E81, E82), Serie 3 (E90-E91-E92) For MINI 2004-2010 Colour:Black Material:ABS Package Contents: 2 x Bluetooth adapter 2 x microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.