The wireless carplay adapter is designed for connecting the for iphone and the car to realize the function of interconnection conversion. integrating the mobile phone and the car screen, it provides users with rich and safe driving experieance.,we offer 24 months warranty, Brand New, Top A+ Quality. Replacement for vehicles with Type c port with USB to type c OTC Adapter more choise for you,Wireless carplay just plug and play Auto-Connect after first Pairing. No need App, just plug and play. Plug the wireless carplay adapter dongle into the car's carplay USB port and turn on your phone's bluetooth and wifi at the same time. Once paired, you can instantly upgrade the cars multimedia system to wireless carplay. With the wireless carplay dongle, which can make your car with wired carplay function become wireless carplay, Enjoy free and safe driving without wired connections: make phone calls, navigation, music playing...Keep the real-time response transmission without any lag. The wireless carplay adapter relies on the WiFi connection to the iphone to work, Lost connection are usually caused by Wifi interference, Turn off any other wireless devices in the car and try to connect the wireless carplay adapter's Wifi again” The wireless CarPlay adapter working princple is uses Bluetooth to establish a pairing between the iphone and the vehicle then switches to using WiFi to maintain the wireless connection.