Features
Touch screen and HD Display: 
Directional control and view your phone on the car navigation screen with USB cable.
Hands Free and Safe driving:
Make/answer calls, check voice mails, text messages and bring up maps.
Listen to your favorite songs using iTunes, Apple Music or installed apps for hands free.
 
Compatible Devices: 
iPhone with iOS ( 7.1 and above)
Car stereos with android version (4.4.2 and above)
(The product supports most Android market phones , but it's not 100% supportting all Android phone and Android autoradio)
 
How to use the product:
1. Install the Apk for the product in your Android car head unit.
2. Plug the product into the USB port of Android car head unit.    
3. Pair and connect iPhone's bluetooth with car's bluetooth (iPhone supports usb cable connection too);
Android phone still need to connect by usb cable.
4. Car's screen will enter CarPlay interface.
 
Notice
1. Original screen car does not supported, this product only works with Android system screen .