>>>There is antenna builted in Carplay box inside already ,so do not need external Blutooth antenna outside.Faster connection and less interference >>>With 5GHz WIFI network technology,would have more stable connection and lower delay when driving.Connect directly wifi and bluetooth from iphone to Carplay Module. >>>with wireless carplay ,enjoy oem voice command, siri, navigation,online music and phone call, etc function with iphone. >>>connect with wifi and bluetooth first and then use wireless carplay function ,carplay also could be connected via usb too. Product functions >>>Mirror link share iphone/android phone screen to head unit screen ,using apps safely and sasily. >>>Usb flash play connect with flash driver with usb ,watch video and listen to music on the screen.support 1080P video ,and music ,picture. >>>Reverse and Front camera / av in support original,aftermarket reverse camera with parking sensor and front view camera. >>>EQ DSP has DSP EQ setting,more experience to enjoy music quality. Shipping: 1.It will take 1-3 days to send out the package after we receive your payment(except the weekends and festival).we will post the tracking number. 2.Import duties,taxes and charges are not included in the item price or shipping charges.These charges are the buyers responsibility. 3.If the buyers have better method to help clear the customs,please contact us. 4.Some of the buyers area or zip code belong the remote area,they need to pay 42$ for the remote fee Warranty and Return: 1.12 months warranty 2.The valid period of replacement is 14 days from the date of receiving the item. 3.we could bear the shipping cost if the device is not described Feedback: 1.if you are satisfied with our device,please give us a positive feedback and tell your friend about us. 2.If you have any problem about the device, you can contact me any time, we will try our best to help you solute the problem. 3.Please do not leave a negative feedback to us an open the dispute directly