Specification: Color: white blue PINK Name: humidifier Working voltage: DC 5V Material: silicone/PP/ABS/Electronic component Amount of spray:50ml/h Working current: 400mA Water tank capacity: 300ml Use time: 5-10h Power supply: USB Applicable area: 10-20 square meters Noise: less than 36dB 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 Notes: Before work it is necessary to wet the filter in the water completely. If the mist is significantly reduced you need to replace the cotton swab.