Welcome to our store! 1. Supports Bluetooth 5.0, low power consumption, reliable in use. 2. Easy to install, just plug and play, no complicated tools needed. 3. Allows you to listen to music from your phone/tablet/mp3 player. 4. Used for wireless transmission of music, navigation, for Youtube and phone, etc. 5. Button control on radio/steering wheel for easy operation. 6. Select playback on the radio, and it will start playing automatically. If you change it, it will stop playing. Item type: Audio Adapter Material: ABS Color: As shown in the picture Bluetooth music adapter: For wireless transmission of music, navigation messages, for YouTube and phone calls. Button control on the radio / steering wheel. Playback starts automatically when selected on the radio, stops when you switch to e.g. radio. Speakerphone: Answer / end calls using the forward / back button. In radio mode, the CD changer must be selected manually, the call is accepted automatically. Supports up to Bluetooth 5.0 for low power consumption Fitment: Fits for A2 2001-2006 Fits for A3 8L 8P 1998-2006 Fits for A4 B5 B6 B7 1998-2006 Fits for A6 4B C4 S6 2001-2004 Fits for A6 ALLRoad 2000-2005 Fits for A8 S8 D2 1999-2003 Fits for TT 8N 1998-2006 Installation: The adapter is invisibly connected to the back of the radio. No additional wiring for the power supply needed. The included microphone can be optimally placed with a 2.5 m cable. The radio automatically recognizes it as a CD changer, no coding needed. 1 x Blue Audio Adapter 1 x 20Pin Cable 2 x Wrench Your 100% satisfaction is our highest priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, wrong quantity, etc., please contact us immediately and we will provide you with the best solution!