This was true for South Korean hair dryer (220V) used in Japan (110V). While it doesn't explode or some kind of smoke (see also [1]), dryer was almost unusable as the power was too weak.
So a small question: does the hotel provides hair dryer? I guess so, but want to reconfirm.
--
Yongmin
Sent from my iPhone
Text licensed under CC BY ND 2.0 KR
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