M100S Series:> Android 11 OS, 4 Core, 1.2GHz> M100S: 1G RAM 16G ROMM150S: 2G RAM 32G ROM***M200S, M300S, M400, M500S, M600S, M700S Series:9863 and 7862 are our chip numbers, the 7862 solution is the best car radio solution on the market, while the 9863 is a little bit worse> Android 11 OS, 8 Core, 2.0GHz> M200S: 2G RAM 32G ROM 9863> M300S: 3G RAM 32G ROM 7862> M400S: 4G RAM 64G ROM 9863> M500S: 4G RAM 64G ROM 7862> M600S: 6G RAM 128G ROM 7862> M700S: 8G RAM 128G ROM 7862****Basic functions (M100S and M150S only have basic functions)>Support Bluetooth Function>Support BT music streaming.>Support FM/AM Radio>Steering Wheel Control>Support Split screen>Support Multi-language>AHD Reversing Video (Free Rear View Camera)****In addition to the basic functions, M200S M300S M400S M500S M600S M700S also has the following functions>Built-in Carplay + Android Auto: car dvd player comes with carplay function, no need to purchase additional accessories.>IPS Screen 1280*720 Resolution: The ultra-clear screen display effect is greatly improved, the screen display is more delicate.>Support DSP Processor, Increase DSP digital audio processing module multi- dimensional surround lossless sound effects, enjoy high-definition audio-visual feast!>TDA 7851 6686 Radio IC RDS (At present only euro country have RDS signal)>Support Cooling fan>Support 4G LTE and 5G WiFi****Optional add-ons>Support ADAS DVR Anti-collision warning driving recorder>Support OBD2 TPMS>Support voice control function.>Support DAB+