System version: android 10 RAM&ROM: 2GB/4GB/6GB&32GB/64GB/128GB Display: Full HD 9inch 5-touch capacitive touch screen IPS screen Fast system boot: start the car and access system within two seconds; Split Screen Display (Split Screen Display) Run 2-Apps (such as Navigation, Youtube) simultaneously on the same screen Speed Compensated Volume Control (SCVC) – When you increased the speed, the volume of the head unit increased by a certain percentage and when you slowed down, the volume decreased. This is intended to compensate for road noise Install countless android apps from the Google Play Store: More than 1000-apps from the Google Play Store can be installed, especially media/entertainment apps and navigation apps from the Commercial Vehicles category. Radio: Built-in high sensitivity FM/AM radio tuner with RDS/RBDS function (and radio station name is displayed when available), also supports online radio app such as SXM Local Weather Widget: Pre-installed and free of charge activated in our free launchers. Keep up to date with local weather forecasts, it is very useful to remind you of clothes and safe timetable in case of bad weather. (requires internet access and GPS signal, update every 30 minutes) GPS/Navigation: Built-in GPS receiver module with external GPS antenna and Google Maps app is installed as standard GPS map. Users may need to download offline map data for a specific area for offline navigation. Other maps/navigation apps (Waze, tomtom, HereWeGo) from the Google Play Store can also be installed Compatible with Apple CarPlay/android Auto, Mirrorlink This double DIN car stereo system compatible with wireless Apple CarPlay wireless WIRED android Auto (carletter app pre-installed and costly activated) functions. You just have to use WIFI/Bluetooth/USB cable to connect to your smartphone to access your phone functions. Annotation: 1. If you use wireless android car, you should set the AP band of the WLAN (hotspot) of your phone to 5 GHz. 2. The radio does not connect WLAN with surfing after wireless car play or wireless android car is connected, which is normal. Since wireless car play and wireless android Auto occupy the radio's hotspot and WiFi and Hospot exclude each other, WLAN switches off automatically when using the hotspot. Screen Mirror: (Carletter app pre -installed and enabled costs) enables you to transfer everything that is displayed on your phone to the screen, especially apps and content that is not supported by CarPlay or android Auto. Some video streaming services may not support Mirrorlink.