Features: 1. SUPER QUIET: Runs quietly. It would not be disruptive while you sleep 2. Large capacity ,dry protection, infiltration and Moisturizing 3. Automatic power failure protection, anti-dry 4. Mini size, lightweight and compact, easy to carry Using Method: 1.Open the top over, pull out the cotton swab.(Dont lose the spring) 2.Add water into it. 3.Wet the cotton swab in the water completely. Soak the cotton swab until it squeezes out the water. 4.Put the cotton swab into the suction tube. 5.Plug in the power. 6.Press the button switch and then you can use it. Function key Operating Instructions: Mist: Click the function key, continuous spray for 5 hours; click again, interval spraining, spray 3s stop 3s, timing for 10hours.click again to turn off the spray. Night light: For the first time, press the function key for 2s,turn on the night light mode, seven colors lights changing, then press and hold for 2s,the light is fixed, press again for 2s to turn off the night light mode. Notes: Before work it is necessary to wet the filter in the water completely, unit it squeezes out water. Please dont lose the spring when pull out the cotton swab, or itll not produce mist. If the mist is significantly reduced, you need to replace the cotton swab. This mini humidifier can only use tap water or mineral water. If you add essential oils or perfumes, it will affect the fogging effect. Package Including: 1 x Humidifier 1 x USB Cable