Screen mirror or cast to goggles

[Mavic-Max]

Hi folks. I would like to use my Epson bt300 glasses for fpv with my mavic air 2 I would like to mirror the Dji fly app. I realise I will still control the air using the Dji fly app. Any found a good app to mirror the iPhone screen to the android bt300s

 

[Pushkur]

Most popular way to use goggles with Drones such as Air 2 and mini,is to use a chromecast dongle,and power it with a small power bank.
There are a number of demos on You tube such as this one for the mini.
You can use DJI goggles or any goggles with an Hdmi input ,as shown below