Handheld Mini Air Conditioner USB Rechargeable Portable Humidifier Mist Cooler 4 Speed Cooling Spray Humidifier Fan Low Noise for Home/Office/Dorm Feature: 1. Nanotechnology Cooling Mist: This mini air conditioner uses nanotechnology to create a cooling mist that refreshes and cools your skin instantly. The mist contains microscopic water molecules that spread through the air and humidify it, keeping you refreshed throughout the day. 2. Powerful Motor and Concentrated Airflow: With its powerful motor, this desk misting fan can blow air over long distances while maintaining a concentrated airflow. The spiral air duct design ensures that the air is blown out in a focused and efficient manner. 3. Four Wind Speeds: The water cooling fan offers four wind speeds that let you control the strength of the airflow. From gentle to strong, you can adjust the wind speed according to your preference. 4. One-Button Water Refill: The small air cooler comes equipped with a one-button water refill feature that lets you add water easily whenever needed. Simply add water to the transparent water tank and press the button to activate the mist function. 5. Transparent Water Tank: The transparent water tank allows you to see the water level at all times, ensuring that you never run out of water unexpectedly. humidifier mist cooler's also easy to clean and maintain, making it a convenient feature for everyday use