- There are a lot of plug transformers which are sold on Amazon.co.jp or Rakuten.
- But this may be the cheapest one that I survey (only 650 yen)
Link: http://www.amazon.co.jp/gp/product/B000WMIPKS/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=AN1VRQENFRJN5
(to be comtinued)
