How to use YAHE fragrance oil or perfume oil into the aroma diffuser? Step 1; put about 200-400ml water into the machine container; as the max volume of this machine is 500ml. Step 2: make only one or two drops YAHE fragrance into the water. May I take your attention here? There are many attractive fragrances for your option from YAHE product list. Step 3: turn on the machine. The wonderful aroma ...
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