Features: Support various of devices with Wi-Fi function. Support IOS and Andriod system. Transfer navigation, audio, video and games information to the screen in your car. On line navigation (advanced functions: TMC, location share, free map upgrade). Music listening and video watching. It is useful when you need to check information of your phone, pad, etc. You can transfer information to the screen with USB cable through the USB port. Support USB local upgrade. Online server upgrade. The remote controller is also convenient for you. English user manual contained with specific using instructions.