Color: White; Humidifier classify: humidification; Application object: home use; Application area: within 10m2; Power supply: USB powered; Water tank capacity: 1L; Noise: 36dB; Timing function: Support; Water shortage power protection: Support. Easy to use, just set purified water bottles into it to use it. When charging by USB cable or phone charger, it can provide 30ml steam for 6~8 hours from 295~470ml water. You'd better repeatedly use the water bottle for environmental protection. Filter tube can be repeatedly used for 3 months, and appropriate dry under the sun can extend its service life. Please disconnect the power supply, air and dry the tube when not in use.