I really don't get why anyone would want this, even if you have all three devices that can be charged. I own all three, except the AirPods wireless charging case.
My problem with it is that my AirPods get charged like once a week. So I plug them in at my desk when they are down to their last charge and they charge before I have to use them next. My Watch already has a stand, and using AirPower you can't use nightstand mode. You also have to take of the Milanese loop, sport loop, and link bracelet to even put the watch on there. So you are left with an iPhone charger that can sometimes charge some other devices at the same time, but always takes up that extended amount of space.
I'll stick to my $25 anker wireless charger.
My problem with it is that my AirPods get charged like once a week. So I plug them in at my desk when they are down to their last charge and they charge before I have to use them next. My Watch already has a stand, and using AirPower you can't use nightstand mode. You also have to take of the Milanese loop, sport loop, and link bracelet to even put the watch on there. So you are left with an iPhone charger that can sometimes charge some other devices at the same time, but always takes up that extended amount of space.
I'll stick to my $25 anker wireless charger.