Applicable Car Models: For Mercedes Benz E Class W212 2011 2012, NTG 4.0. Retained Original Car Function, like Factory Car Amplifier Speaker System, Joystick and Idrive Control, Steering Wheel Control, Rear View Camera, Reverse Trajectory & Radar Parking Sensor etc. Car Stereo Radio: Android 11 Operating System, 8 Core CPU, 4GB RAM + 64GB ROM. Support 4G SIM card (Not include). 1920x720 High Resolution, Support 4K Video Format. GPS Navigation & WiFi Connection: Built-in Offline Map of North America. After Internet connection, you can also use online maps for real-time traffic information. Radio with BT and RDS: Support play music or video online through the network. Answer/ make calls and be hands-free with no distractions. Built-in Carplay & Android Auto: Bulit in Wireless Carplay & Wired Android Auto, support to use smart voice assistant or touch the display, you can get directions, make calls, send and receive messages, and enjoy music etc.