This is an overseas version created for H4 hardware. We have integrated mapbox navigation and search functions on the map to provide more accurate navigation information. In this app, you can connect with H4 hardware and send out navigation voice when the phone conducts navigation. Meanwhile, you can also see the route, lane information, call information and so on on the HUD. This software is mainly for driving safety, convenient to provide huge support. And we support storage home and company geographic location, more convenient for you to one-click navigation to commonly used location.