Working voltage: DC 5VMaterial: Silicone/PP/ABS/Electronic componentAmount of spray: 40ml/hWorking current: 400mAWater tank capacity: 220mlUse time: 5-10hPower supply: USBApplicable area: 10-20 square metersNoise: less than 36dB1. Open the top over,pull out the cotton swab.(Don't 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.1. This mini humidifier can only use tap water or mineral water. If you add essential oils or perfumes, it will affect the fogging effect.2. Before work it is necessary to wet the filter in the water completely, unit it squeezes out water.3. Please don't lose the spring when pull out the cotton swab,or it'll not produce mist.4. If the mist is significantly reduced, you need to replace the cotton swab.