Built-in CD player:No Is touch screen:YES TF/Micro SD Slot:1 Din:Double Din RAM:6G Interface:plug to play Special Feature:Built-In Speaker/Microphone,wifi function,Support Steering Wheel Control,Support 3G Network,Support 4G Network,Support Can-Bus Operating System:Android Out Power:4*45W Voltage:12V Material Type:Metal and Plastic Item Weight:3kg Item Size:12.3 inch Max External Memory:256G ROM:128G Special Features:Built-in Gps,Charger,MP3 players,dsp,CarPlay,android auto,Reversing Input,Split Screen Digital Media Format:Mp3,MP4,WMA,JPEG OSD Language:Chinese (Simplified),Chinese (Traditional),Arabic,Bulgarian,POLISH,German,Russian,French,Filipino,KOREAN,Dutch,Lithuanian,Romanian,Portuguese,japanese,SWEDISH,Slovak,THAI,Turkish,Spanish,hungarian,Italian,English Resolution:1920*720 Display Size:12.3‘’ Origin:Mainland China Certification:CE support:OBD2 DVR DAB+ TMPS rear view camera,1080P Video Player,Steering wheel control,4G+WIFI,Car Original information,DSP Built in:Carplay Android Auto optional:Voice Control