Features: 【Micron Water Mist】The 240ml capacity and fine spray is used to increase the air humidity, which is enough to use for a whole day, avoiding the trouble of frequent water addition. Liquid water is atomized into micron-sized water particles by ultrasonic vibration, which is a good companion for air-conditioned rooms 【Multiple Spray Modes & Night Light】The portable mini humidifier has two spray modes. The 240ml water tank capacity can also spray continuously for 6-8 hours, which is enough for daily use. You can also turn on the LED night light as needed. Simple the operation, multi-purpose machine, helps moisturize dry air for longer 【Whisper Silence & Improve Environment】This air humidifier operates at less than 30 decibels, so there is no disturbance even when you are sleeping. Whisper Silent Humidifier Purifier provides fresh and clean air to moisturize dry skin and improve dry and flaky skin. And prevent dry, stuffy air and flu/cold bacteria from infecting your family. 【USB