Main Features:  
1. Plug & Play: installed via original CD changer port, easy and fast, perfectly integrated with the car.  
2. Wireless A2DP Playback: easily streaming music of Bluetooth devices into factory car stereo system.  
3. Hi-fi Sound Quality: Connected to car stereo via wire harness, no interference and no loss of sound quality, rivaling original CD sound.  
4. Allow you to easily have popular configuration of advanced car stereo, is the best choice for safe driving and enjoying digital music.  
5. Bluetooth version: 5.0  
6. Voltage: 5-12V  
Note:  
1. Does not support hands-free phone call(HFP): It does not supports answer/hang up etc. Via car radio buttons and steering wheel buttons  
2. Does not support Bluetooth AVRCP Control: Prev/Next Track, Pause/Play, Fast forward/backward via car radio buttons or steering wheel buttons.  
Applicable Car Models:  
For Audi: A6L A4L A5 A8L Q5 Q7 TT
For Volkswagen: Magotan / CC / Touareg