This interface has built-in CarPlay and Android Auto, which allows you to connect your smartphone/iPhone to the original system to use apps like Waze, Google Maps, Spotify, etc.
https://www.apple.com/ios/carplay/
Product Features
Plug & Play Cable via LVDS
USB input for CarPlay and Android Auto
Navigation system
Audi RMC with 6.5" display
How to identify the navigation system?
Press the CAR button, then press the SETUP or MENU button, then press the SETTINGS button and scroll down to VERSION INFORMATION and you will see what software version you have in your car.
HNav_EU... means it has MMI 3G HIGH
BNav_EU... means it has MMI 3G LOW
HN+R_EU... means it has MMI 3G PLUS
RMC_EU ... means you have RMC
Vehicle compatibility
Audi A6 (4G) 04/2011 → 09/2014
Audi A7 (4G) 07/2010 → 05/2014
Important note
A factory-fitted AUX audio input is required. On some navigators it is already activated. Otherwise, the head unit must be coded for AUX audio via the diagnostic computer.