[FIRST TIME USING]You need to soak both ends of the cotton swab and install the spring in place to support the cotton swab, to ensure that the swab can absorb water enough to continue to emit a fog.Simply pour water into the sink insert at the top of the unit. To clean a humidifier, remove the lid and wipe the empty tank with a wet cloth.Various occasions: portable humidifier with handle, small in size, can effectively moisturize dry skin, and help you reduce skin peeling, convenient to use in offices, nurseries, bedrooms and cars WISH TAG:Humidifier,Humidifiers,Air Humidifier,Cool MistAutomatic power-off protection function: When the water in the water tank is insufficient, this function will automatically turn off, which is safe and reliable. Easy to clean and add water, fresh air, longer lifeQuiet and comfortable: The noise level of this silent humidifier is 30-40dB. The desktop personal humidifier can keep the humidity in your home between 40% and 60%, thereby improving your breathing comfortcolour:GreenMaterial:ABSPackage Contents:1 x Humidifier1 x USB cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.