PORTABLE MINI HUMIDIFIER This portable and compact humidifier has a maximum capacity of 600ml, making it easy to carry anywhere. Ideal for travel, bedroom, or office use, it effectively moisturizes dry air and helps reduce dry skin and irritation.USB COOL MIST HUMIDIFIER Equipped with a built-in 2000 mAh battery, this humidifier operates without being tethered to a power source. Enjoy cool mist anytime, anywhere. The digital display allows you to monitor battery level, making it a convenient wireless choice for everyday use.QUIET ULTRASONIC OPERATION Using ultrasonic technology, this humidifier operates at a near-silent 30dBquieter than a library. Its ultra-quiet performance ensures it wont disturb sleep or work environments.PERSONAL SMALL HUMIDIFIER This mini humidifier features two spray modes. One press activates continuous mist mode with up to 8 hours of runtime. Two presses enable intermittent mist mode for up to 16 hours. It also includes a soft LED night light to enhance your sleeping environment.BATTERY-POWERED HUMIDIFIER Designed with a built-in water level sensor, the unit automatically shuts off when water falls below the safe level. The sealed system helps prevent leaks, providing safe and worry-free operation.