Compact Design:The Design 300ml Small Onion Air Humidifier Aroma Diffuser is a compact device, making it easy to carry around and perfect for small spaces up to 40 square meters. High Humidification Capacity:With a humidification capacity of 30ml/h, this humidifier ensures a comfortable and healthy environment by maintaining the optimal humidity level. Quiet Operation:Operating at less than 36db, this humidifier works silently in the background, not disturbing your peaceful environment. Versatile Usage:This humidifier is not only a humidification device but also a diffuser, allowing you to add your favorite aroma for a pleasant and relaxing atmosphere. Energy-Efficient:Equipped with a USB port, this humidifier can be easily powered by any USB power source, making it energy-efficient and convenient to use. Automatic Mist Discharge:The humidifier features an automatic mist discharge , ensuring consistent and efficient humidification without manual intervention. Color: white material: plastic Package Contents: 1 x humidifier 1 x USB data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.