Features: Android 13 operating system 2G RAM & 32G ROM. Support wireless/wired Apple CarPlay & Android AUTO. WiFi connect: Built-in WiFi module, can connect to internet by WiFi hot spot, download APP to watch online video etc. GPS navigation: Built-in navigation module, support on-line off-line navigation, free navigation map. Bluetooth function: Built-in Bluetooth module, support Bluetooth phone connect, handsfree for calling or Bluetooth music play. Rear view function: Support Rear view camera input, backing car more safer and convenient (Free camera come with stereo). Radio tuning: Support FM Radio, FM1/FM2/FM3 87.5-108 MHz, you can listen the radio which is your interested. Rear dual USB port input: Support rear cable USB input, can play music/movie Or wire CarPlay Android Auto. Screen: 2.5D Capacitive touch screen, 1024x600 resolution, support 1080P video. Improve sound quality with equalizer, use DSP EQ to adjust the sound to render better results. Split screen function: You can use 2 APP at the same time when you use split screen function. Optional accessories: DVR(front camera optional) OBD2: Support OBD2(ELM327 OBD2 adapter optional).