Product Details: 1, Android operating system can install the application Google Play store Skype Facebook YouTube Twitter, etc 2, 4-Core configuration includes (RAM + ROM): 1G+16G /2G+32G 3, 8-Core configuration includes (RAM + ROM): 4G+64G/8G+128G 4, 4-Core contain：Version: Android 9.0/Android 11；Resolution：HD 2.5D 1024*600 ; Does not support AM and RDS function ; 5, 8-Core contain: Android 10 ;Resolution：HD 2.5D，1024*600/1280*720 6, Any option is supported:radio station, Bluetooth call, Bluetooth music, steering wheel control, built-in WiFi, MP3, video music (MPG, AVI), navigation, video output, mirror link, USB 4G and other functions. Separate purchase option 1. Support OBD function 2. Support DAB + function 3. Support to add external microphone function Main feature: ●Smartphone connection, mirror link, Full capacitive touch screen control ●Bluetooth 4.2 built-in, hands-free, phone book ●A2DP plays music from mobile phone to radio ● 1024 * 600 /1280*600 HD digital display ●Android 9/10.0/11 system ● Built-in 1G 16G flash memory ● Built-in WiFi 4G ● Rear view camera input ● Integrated MOSFET Amplifier 4x50 W. ● FM integrates 18 pre-configured sites ●FM frequency range: 87.5-108 MHz ●Two rear USB inputs ●Steering wheel control Material: metal plastic Installation location: console car Screen type: digital touch screen Screen size: IPS HD 2.5D 9/10 inches Screen resolution: 1024x600 OSD language: English, Russian, German, French, Italian, Spanish, Arabic, Hebrew, Japanese, Czech, Portuguese, Romanian, Turkish, Korean, etc. Input: DC 12 V. Note 1.Vehicle Compatibility Chart May Vary Depending On Vehicle Options, Production Dates, And Install Application. Please Inquire Before Purchase. 2.Wire Harness Does Not Work On Vehicles With Premium Factory Sound System. 3. Wiring Harness Is NOT Compatible With Premium BOSE, Amplified Sound Systems And Onstar. 4. Please Verify Your Vehicle's Original Sound System Specifications Before Purchasing Your Harness. 5.4G version You can plug the SIM card directly into the 4G Internet (you can also share the hotspot after inserting the card into the phone card), or you can connect to the Internet via WiFi or mobile hotspot. WiFi version You can only connect to the Internet via WiFi or mobile hotspots. （Please be careful not to buy errors,Do not understand can contact customer service） 1.Why can't turn on the car radio ? 1.1Please check the Voltage of car radio : 12V 1.2When you test this car radio,you can combine the red and yellow wires and connect them to the positive side of the power supply.Black line to negative power supply. 1.3Replace the same type of insurance to test the car radio. Note: Please must use our power cables to connect our car radio,it is not possible to insert the original car plug directly into our machine. 2.Why the car radio will show "No Signal" when we reversing? Please check if the camera's line is properly connected to the car radio. Note:The video port of rear camera must insert the "CAMIN" port of car radio. 3.Why does the camera display " " and "Can't watch video while driving" when I use USB to watch videos? Please turn off the "Video Warning" function in the settings,then will be OK. 4.Why can't search FM? 4.1: No radio antenna inserted; 4.2: Please check if the radio antenna is plugged in. Please insert more antennas several times to make it well contacted; 4.3: The signal of your location is not good. Please go to a better place to test again 4.4: The radio antenna on the car is broken/no effect; please replace the radio antenna and test again. 5.Why can't connect the Bluetooth of car radio? 5.1.Open the phone settings interface, open the Bluetooth in the Bluetooth function, search for Bluetooth devices, find the player's Bluetooth model to be paired; if you need a pairing code, enter 0000; if not, try 1234 or 123456. 5.2.Please try to use another mobile phone to test this function. All methods are correct and still cannot use Bluetooth, Please unplug the plug on the back of the player and plug it in after 3 minutes.