Features:1. Bluetooth master chip and bluetooth version 5.0, high speed transmission without distortion, audio quality can reachhigh definition standard.2. Use bluetooth transmission, real-time online play music, audio source update timely.3. Use wide range voltage input of 5-12V, adapt to different use environment.4. Convenient to use, it reconnects each time you enter the vehicle.5. Compatible for YouTube, for spotify, for itunesand other applications.6. Completely compatible with high media for MMI 3G interface system.Specification: Material: ABSColor: BlackBluetooth Version: 5.0Voltage: 5-12VFitment:Fits for AMI MDI MMI after 2010 yearsFits for R7/S5/A6L /A8L /A4LPackge List:1 x Audio CableNote:Please check whether your car have the AMI interface..The product is not compatible with models above for iOS 11.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.