He survived the holiday trip with back-pack over the Philippines.
However, I had sometimes the same problem as "Sunshower" who reported on Japan.
In Asian countries, it is probably walk and add that the outlets often have only 2 slots (without grounding), then this plug is absolutely useless.
My Recommendation:
Focal chair generally represents quality and quality appliances or if they in the bathroom where water is nearby want to use, which is certainly a good buy.
However, they should also mitkaufen other adapters that work without grounding with 2 poles, so they do not need to upgrade at the resort, usually at significantly higher prices.