Wanheyao in Car AMI MDI 3.5mm AUX Micro USB Charge Adapter Cable for Audi A3 A4 A5 A6 Package includes: 1x Audi Music Interface AMI/ Volkswagen MDI Media-In 3.5mm AUX + MICRO USB Charge Adapter Cable Compatible with most Samsung & HTC devices using micro USB connection Connects Audi / VW Music Interface to devices using 3.5mm jack / MICRO USB port Easy Installation, Plug and Play Devices Requires Audi 3rd Generation MMI System