Your perfect solution for dry indoor air, the Mini H2O USB Humidifier helps maintain comfortable humidity levels in bedrooms, offices, and cars. Featuring a 300ml water tank, it provides long-lasting cool mist to keep the air fresh and comfortable. Designed with ultrasonic nano mist technology, this portable humidifier operates quietly at under 26dB, making it ideal for sleeping, working, or relaxing. The dual mist modes allow you to choose between continuous or intermittent mist based on your needs. With USB power compatibility, the humidifier can easily connect to laptops, power banks, or car chargers, making it convenient for everyday use or travel. The built-in auto shut-off safety feature ensures the device turns off automatically when the water level is low, providing safe and reliable operation.