TF/Micro SD Slot:0 Din:Double Din RAM:6G Interface:Plug and 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*45 Voltage:12V Material Type:Plastic+Hardware+Screen Item Weight:1kg Max External Memory:128G ROM:128G Special Features:Built-in Gps,Mobile Phone,MP3 players Digital Media Format:CD,DVD-R/RW,DVD-RAM,VIDEO CD,Mp3,MP4,WMA,JPEG OSD Language:Chinese (Simplified),Chinese (Traditional),Arabic,POLISH,German,Russian,French,czech,Portuguese,japanese,THAI,HEBREW,Greek,Spanish,Italian,English Resolution:1280*800 Display Size:9" Origin:Mainland China Certification:CE,FCC Screen:QLED,Full lamination screen Special Features5:Built-In Speaker/Microphone Special Features6:Audio Stereo Radio Multimedia Player Special Features7:Support Radio Bluetooth Phone Special Features8:FM Transmitter Special Features9:Radio Tuner,MP3 Players,Bluetooth ,FM transmitter