@Jane_maggie1. http://www.amazon.com/Waterpik-Aquarius-Water-Flosser-WP-660/dp/B00HFQQ0VU/ref=sr_1_1?s=hpc&ie=UTF8&qid=1427182046&sr=1-1&keywords=Water+Flosser 价格USD 60以内 2. http://www.amazon.com/Simran-SMF-100-Universal-Converter-Worldwide/dp/B003DQSMGC/ref=sr_1_2?s=electronics&ie=UTF8&qid=1427184959&sr=1-2&keywords=Voltage+Converter 接受价格USD16以内，