Is touch screen : YES Built-in Screen : YES TF/Micro SD Slot : 0 Din : Double Din RAM : 6G Interface : For Citroen C4 Special Feature : Wifi Function,Support Steering Wheel Control,Support 4G Network,Support Can-Bus Operating System : Android Out Power : 50x4 Voltage : 12V Material Type : Abs+ Item Weight : 1.5kg Item Size : 247*228*140 Max External Memory : 128G ROM : 32G Special Features : Built-in GPS,Mobile Phone,MP3 Players,Voice Control,DSP,Carplay,Android Auto,Reversing Input,Split Screen Digital Media Format : CD,DVD-R/RW,DVD-RAM,Video CD,Mp3,MP4,WMA,JPEG OSD Language : Chinese (Simplified),Chinese (Traditional),Albanian,Arabic,Azeri,Irish,Estonian,Belarusian,Bulgarian,Icelandic,Polish,PERSIAN,Boolean text (Dutch South Africa),Danish,German,Russian,French,Filipino,Finnish,Georgian,Haitian Creole,Korean,Dutch,Galicia,Catalan,Czech,Croatian,Latin,Latvian,Lithuanian,Romanian,Maltese,Malay,Macedonian,Norwegian,Portuguese,Japanese,Swedish,Serbian,Slovak,Slovenian,Swahili,Thai,Turkish,Welsh,Ukrainian,Hebrew,Greek,Spain's Basque,Spanish,Hungarian,Armenian,ITALIAN,Yiddish,Hindi,Urdu India,Indonesia,English,Vietnamese Resolution : QLED 1280*720 Display Size : 9" LEHX Origin : Mainland China For Vehicle Brands/Model : Citroen Certification : CE CPU: : MTK 8227 - 4core subwoofer output: : Support AV-OUT: : WiFi version support, 4G version not support RCA cable: : 7channels including subwoofer cable screen display: : QLED9inch 2.5D screen, QLED 1280*720 resolution 4G version IPS INPUT Interface: : 2*USB RCA Bluetooth WIFI: : Built-in 4G LTE SIM: : optional Steering wheel control: : support Mirror link: : Iphone & Android microphone: : Built-in external microphone: : optional GPS Navigation map: : Built-in offline map free update (support navitel/Igo) Bluetooth phone book: : support Bluetooth music: : support OS language: : support 46 countries, Russian, Spanish, Portuguese, French, Hebrew.. System: : Android Split screen/picture in picture: : WIFI version and 8 core 4G SIM support,4 core 4G SIM does not support RDS : support