Automatic Wireless Car Wifi Mirror-link Box.universal Wi-fi Mirror Converter for Android / Ios Smart Devices Mirror Your Phone link with The Car Audio & Video Device! Wireless Car WIFI Mirror-Link Box Brings You A Amazing Journey! Universal for all car audio & video device with AV-IN,such as car DVD Player and car monitor. Anytime and anywhere mirror-link whenever the GPRS/3G/4G turns on or off. Wireless:There is no extra connecting wires needed between the mirror-link box and mobile phone