I wouldn't buy anything from that seller he obviously knows **** all about drones.
When i switched from the mini 2 SE to Mini 3 i decided to pay extra for the package with the controller with the inbuilt screen i am glad i did.
This is from...
I ended up damaging my Mini 3 (Not PRO) controller. I need to get a new RC321, right? Asking this because a seller said his RC-N1 only works with the Mini 4k (apparently not with the Mini 3), I'm not sure that the Mini 4k has its own exclusive...