This compact humidifier/diffuser works as described. One click turns it on. A longer click toggles between colored light, white light and no light. One tip to remember is that when you first turn it on, the white cotton wick (which looks like the thin body of a ballpoint pen) should be damp on both ends. The kit includes a spare wick. According to the instructions, the wick must be replaced after some time. I'm not sure where we can purchase additional wicks. The humidifier doesn't work without a wick, so have an extra one handy. Also use the supplied USB cable. I tried my phone cord but it's too loose so don't lose the cord. The size of this humidifier is perfect for cup holders in any car. The aroma depends on the concentration of the oil. It would be too small for home use, but for a car it's great and works as described. I used the power bank to power the humidifier and it worked well making it portable and doesn't require an outlet. See the photo I included.
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