General description This 3X USB Air Humidifier is a mini portable cool mist diffuser designed for use in various settings such as travel, cars, offices, and bedrooms. Its smooth and quiet operation makes it ideal for nighttime use, with noise levels at or below 30 dB. The humidifier features a dual mist mode, allowing users to select between continuous or intermittent spray for optimal air control. Technical specifications Capacity: 220ml Color: White Material: ABS Size: 80 x 80 x 103 mm Noise Level: ≤ 30 dB Package Contents 3 x Humidifier 3 x Cotton Swab 3 x Data Cable 3 x Chinese and English Manual Usage The cool mist humidifier can safely moisturize the air for up to 8 consecutive hours, promoting smoother breathing and more peaceful sleep. Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.