Thanks for this info. Not OP but I was considering this too.
Just for general info, the only drones the white or RE
goggles work with as intended (AFAIK) are the M1P / MPP and the M2, both using occusync 1.0 (and 2.0 I think) . . . you can fly with your device connected, in my case the M1P with iPad mini4, and the
goggles work right there alongside that so both are utilised.
I like flying as normal and letting someone wear the
goggles with the pilot seat view.
With my Spark, I have a hdmi cable to USB, then USB to the controller micro USB, so my RE
goggles connect up direct to the controller, no other device.
It's ok to take off when starting up and hover 10' off the ground, flip the
goggles down, and off you go, reverse for landing.
I still do this, even though once used to the view etc you could take off and land with
goggles down, I just like doing it the other way, it just seem safer and is easy to do, especially landing easily in a nice spot.
The mirroring device / bluetooth seen in some of the other threads seems to be a way to make it like the occusync connection, but there will be latency, just how much is going to vary I guess.
This device is really only needed if you want to pilot the drone using that, and someone else wear the
goggles for the experience, or I guess someone else could watch the device screen too, but not as much of an experience for them.
As mentioned, a spotter is generally required by drone rules in most advanced airspace regulated countries.