Products Highlights :> Support original car functions, such as: Steering Wheel Control, original car amplifier, original car rear view camera etc. Support original car information display***6 Options' System Version:M100S, M150S Series:> Android 11 OS, 4 Core, 1.2GHz> M100S: 1G RAM 16G ROM> M150S: 2G RAM 32G ROM***M200S, M300S, M500S Series:> Android 10.0 OS, 8 Core 2.0GHz> M200S: 2G RAM 32G ROM> M300S: 3G RAM 32G ROM> M500S: 4G RAM 64G ROM> Built-in DSP> Support 4G LTE, Support 5G WiFi> Bult-in Carplay and Android Auto> TDA 7851 6686 radio IC RDS***M600S Series:> Android 10.0 OS, 8 Core 2.0GHz> 6G RAM 128G ROM> Built-in DSP> Support 4G LTE, Support 5G WiFi> Bult-in Carplay and Android Auto> TDA 7851 6686 Radio IC RDS***M200S, M300S, M500S, M600S Series Highlights:> IPS 1280*720 capacitive Screen+Builtin cooling fan + Builtin wifi + GPS navigation+ steering wheel control + Bluetooth + Split screen + Builtin MIC + Builtin Carplay Android Auto + Builtin DSP + full AV output (optional)> Support USB DVR function + OBD2 Funtion + Europe DABFunction + 1080P Vedio Play + With 4G SIM Card slot + Support colorful button light> Support Ai Voice control, also supports dfiiferent language voice control (Need to be purchased separately, ASIN: B091XXSP3J)