You can use your mobile phone and google cardboard (or VR boxes) as FPV goggles. You need mobile UVC converter for doing this.
It was very enjoyful but I need to try again in a calm day.
configuration:
Wltoys V333 + Xiaomi Yi + Samsung Galaxy S7 + Go Fpv (apk) + Blitzwolf VR box + boscam 5ghz fpv set +mobile UVC
