Handheld Ventilador de refrigeración pulverizador de USB ...
the mode button has 3 different circulation mode selection:firstfan mode secondmisty modethirdfan+misty Highly recommend add the distilled water (no deposit)into the water product will have a high frequency noise if the water shortage under the misty or fan+misty mode .please turn the device off immediately and add the water to enjoy the atomizing mist function also ...