Actually, it is not a "carplay" USB port; the USB ports work for AndroidAuto or car play....The wireless device plugs into the carplay USB port on the Maverick and uses bluetooth to connect to your phone's carplay feature...
And, at least on Android, wireless adapters use Wi-Fi, not bluetooth, to connect your phone to the infotainment system. Not sure about apple. Wi-Fi is a more robust connection than bluetooth.
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