Refreshing Mist Humidifier for Bedroom, 3L Ultrasonic Humidifier, Premium Humidifier Quiet Operation and Auto Shut Off

3L water tank, produces up to 380ml of moisture per hour, safely humidifies the air for up to 11 hours With certified ultrasound technology,The cool mist humidifier is extremely quiet - less than 35 decibels. Suitable for home, office, reading room, etc Conveniently adjust the spray output by rotating the dial knob. Gives a cool and refreshing mist,For easy breathing and a good night's sleep Tips: Do not add essential oil directly to the nozzle, base (this will cause corrosion and malfunction) Add a small amount of fragrance to the tank