Garmin HUD+ Navigation System Free Garmin HUD APP Simply download the Garmin HUD app, pair with HUD+ and go Easy Viewing HUD+ projects turn-by-turn directions onto a transparent film on your windshield or a reflector lens Bluetooth Connectivity Pair wirelessly with your iPhone, iPad, Android device or Windows Phone 8 device with ease Charge on the Go The HUD+ vehicle power/adapter cable doubles as a phone charger using a USB cable