Three huge orbs in a V formation above the hilltop in California

My boyfriend and I went for a night hike like we normally do on Fire trail in Castro Valley and when we got to the piece we noticed a large bright orange circle in the sky it was above the hilltop and the planes flying in were so very little compared to this orb we can to ponder what it was and suddenly there was three they hovered in a V formation they change colors very rapidly they pull stated they were very bright they were much much larger than any aircraft flying into the airports and you can clearly see that in the videos day at one point blue and absorbed one another and then came back out of each other and flew around each other and they stayed there pretty much the whole time we were walking about 25 to 30 minutes we immediately when we noticed that there was more than one and that it definitely wasn't a plane we took out our phones and tried to document anything that we could and the distance from us to the crafts I believe is over 10 miles so they were quite large