I wanted to try this because it was not ultrasonic. Indeed, it does not seem to leave white dust and has been easy to maintain. It shuts off by itself after 8 hrs and there is about 1/4 to 1/3 of the water remaining on the higher setting. Small and does not take up much room. Price was more than reasonable for the quality.

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i would have given it a 5 but the part with the nozzle just sits in the container unit, it does not screw in so im bothered that if it topples over, all the water will spill. Maybe if the shape of the container made toppling over more unlikely then this design would be okay

Works pretty well, I'm satisfied

I don't like it much. It's really so small for my big bedroom to use.

Having USB power on small desktop devices is very wise. Glad to see products like these switching to USB. Humidifier works well and I've very happy with it.