【Portable Mini Humidifier】: The Humidifier is compact and convenient to use in the office, yoga, car, bedroom, and travel scenes. It is easy to carry. It is powered supply by USB, so you could connect it with all USB interfaces. 【Quiet Ultrasonic Operation】: This humidifier can make some noise when they’re producing moisture. They’re usually fairly quiet — they shouldn’t disturb anyone in the family while they’re sleeping, reading, or trying to work. Silence operation below 26dB allows you to sleep easily in a comfortable and quiet environment. 【Two Spray Modes】: This portable Humidifier has two mist modes. When you press the button the first time, it will continuously spray, When you press again and it will intermittently spray, for 6 hours. The built-in water level sensor inside that will automatically power off when the water is lower than the safe water level. 【Colorful Night Light】: This cool mist humidifier has a VIVID colorful light setting creates a peaceful ambiance while deliver feature: 1. Quiet operation. Sleep does not disturb. 2. Large capacity, anti-dry burn, penetration and moisturizing. 3. Automatic power-off protection to prevent dry burning. 4. Small size, light weight and exquisite, easy to carry. Specification: Material: plastic + electronic components Size: 70 x 70 x 95mm/ Voltage: 5V Power: 3.5W Spray volume: 40ml/h Working current: 400mA Water tank capacity: 220ml Use time: 5-10h Power supply: USB Applicable area: 10-20 square meters Noise: less than 36dB Color: white, green, pink