Features: The Bluetooth main control chip is used to reserve the AUX audio input function through the original car. The car Bluetooth music player has wireless music transmission function, for the old and current car audio, because many consumers find listening to music is very troublesome. If there is no audio input port, you need to burn the disc, and the disc The of the film is slow to , which is inconvenient. In many old stereos, the original car has reserved AUX external input function, so this Product can open and use the function to support online music playback. In the streaming media era, Online various APPs are quite convenient, and the is updated in time. Function via Bluetooth-enabled devices.No functional limitations of the car radio.Allows you to connect an external audio source. With the improvement of wireless technology and the subsequent wireless transmission is the trend of the , a wireless Bluetooth music product suitable for car use. Bluetooth version: 5.0;Product voltage: 12V Installation:Red power cable connected to 12V+,Black power cable connected to 12V-, Plug into the CD player (please confirm corresponding socket), mobile phone is connected with the Bluetooth module, aux audio source , you can play mobile phone music. Fit For For C2 2005 + For /VDO/ RD4.C3 2005 + For /VDO/ RD4 C4 2005 + For /VDO/ RD4 C5 2004 + For /VDO/ RD4. 2005 + For /VDO/ RD4. C8 2004 + For /VDO/ RD4. Berlingo 2005 + For /VDO/ RD4. Jumpy 2007 + For /VDO/ RD4. Synergie 2005 + For /VDO/ RD4. Expert 2007 + For /VDO/ RD4. 207 2006 + For /VDO/ RD4. 307 2005 + For /VDO/ RD4. 307SW 2005 + For /VDO/ RD4. 307CC 2004 + For /VDO/ RD4. 2007 + For /VDO/ RD4. 407 2005 + For /VDO/ RD4. 407SW 2005 + For /VDO/ RD4. 607 2005 + For /VDO/ RD4. 807 2005 + For /VDO/ RD4. 1007 2005 + For /VDO/ RD4. 4007 2007 + For /VDO/ RD4. Colour: Black material: plastic Package Contents: 1 * Car AUX Cable Adapter Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.