humidifiers for bedroom-cool mist humidifier for large room,4.2l top fill cool mist air ultrasonic baby humidifiers with oil diffuser,quiet,auto shut-off,easy to clean humidifiers budlet this budlet humidifier uses ultrasonic technology to quietly release visible cold mist, which can disperse the necessary water into the air. the mist helps to temporarily relieve general dry air discomforts such as dry skin. it can be used in bedrooms, children's rooms, offices and other places. at the same time, equipped with a 4-liter top-mounted enlarged water tank, you can enjoy visible cold fog for up to 10-15 hours. the humidifier is silent during operation and will not disturb your sleep, allowing you to fall asleep at ease. we believe that everyone deserves careful care. our humidifier products can help you breathe better anytime, anywhere. multi-stage fog adjustment silent operation does not disturb sleep top filling for easy filling and cleaning a box of water can be used for 10 to 15 hours <br> how to use budlet humidifier? <br> 1. plug in the power <br> 2. top-mounted design, open the lid from the top of the humidifier, pour in pure water, and then close the lid <br> 3. turn the rotary switch on the humidifier and it can run<br> how to clean the budlet humidifier? <br> 1. unplug the power cord and remove the water tank on the top of the humidifier <br> 2. clean the top water tank: use a cleaning brush or cleaning cloth to clean the water tank<br> 3. clean the base: use a cleaning brush or cleaning cloth to clean any area with dirt<br>