* Developed from widely used & stable Android Marshmallow OS, deeply customized & optimized to let it perform better in vehicles.Specific front panel w/8IN screen for Selected Volkswagen models(see last one of the image list). Lots of vehicle-based features - FM/AM Radio tuner w/ RDS, preset 4*45W amplifier, AUX/Backup camera/dash camera input, Bluetooth handsfree, steering wheel key control & more (no DVD/CD Player). Sleeping& Quick Booting - Start the car & access system within 2 seconds! * For vehicles that have factory steering wheel key control feature(shorted for SWC, based on resistive analog signal input only; if your car happens to use digital CANBUS data signal, and you can find applicable digital-to-resistive converter), SWC feature can still be retained. Users are allowed to re-define value of steering wheel key with system function response. Google Voice command app is still customized as builtin option for quick access. *WiFi & builtin microphone have been significantly improved so now Google voice can work smoothly and the reception of ATOTO WiFi can be comparable to some smartphones! Drivers do not have to yell to the car stereo to talk with the other one! External microphone is also included.*Dual Bluetooth 4.0 chips inside not only work as BT handsfree and media streaming, but also connect to phone's BT tethering to access internet, send/receive files, and even connect to BT gamepad /mouse &OBD