Essgoo Android Universal Car Radio 2 Din Stereo 7 inch Autoradio RDS Auto Multimidia Player Automotivo Gps Navigation 2+16G

The following RCA cables for microphones and subwoofers support all ESSGOO radios

New Arrival :
Operating System: Android 9.1 /Android 8.1
CPU: Quad-Core
RAM: 1/2 GB
ROM: 16/32GB
Resolution: 1024*600.Capacitive Touch Screen
Support: Navitel for Russian customer
Support LOGO settings
2 din Android 9.1 go Multimedia player for Universal most old cars
Settings Password: 000000

Package includes:
1 X Android Car Stereo Player
1 X radio frame
1 X Bracket and Screws
1 X GPS antenna
1 X Universal Power Cord
1 X ISO power cable
1 X RCA cable
1 X Backup Camera Input Cable & Backup Camera Kit (Free Gift)
2 x USB cable
1 X user manual

Features:

7 inch HD capacitive touch screen (1024×600): Support 5-point high definition multi-touch, it is more convenient for you to use.
Android 10.1 operating system: Compatible with the vast majority of Android applications, you can install your favorite applications and enjoy advanced technology.
Built-in Bluetooth: Built-in microphone, directory support and Bluetooth music functions, when you have an incoming call, the music stops automatically so you can enjoy a hands-free call.
Built-in WiFi: Supports WLAN 802.11b / g / n standard, high performance, low power consumption, also supports 3G / 4G mobile phone access point.
Built-in GPS: Support internal and external GPS cards, you can download the online GPS application such as Waze / Navfree / Google Map or get the online map from source map providers to use satellite navigation, and the maps can be run on background, and supports vocal guidance.
Support Android media player: it can play music, movies, photos from local disk or USB.
Support HD rear view camera: stable screen and clear images, which has a 120-140 degree wide angle view.
Multi-format audio and video decoding: Supports 1080P full HD format, video playback up to 4K.
Multi-language: English, Chinese (simplified, traditional), Indonesian, Vietnamese, German, Spanish, French, Italian, Polish, Japanese, Portugal, Finland, Romania, Sweden, Bulgaria, Russian, Arabic, Thai, Korean, etc.
USB: 32GB maximum external memory (U disk not included).
Steering wheel control: change the track, volume, etc. conveniently.
FM radio frequency: 87.5-108MHz
Mirror Link: Android phones are connected via USB or Wifi, IOS phones are connected via Wifi.
DVR: DVR Compatible, connects to DVR via USB

How to deal with the button not working?