High Frequency Cooling Technology, Instant Fresh Summer Micro ice-mist water cooling system, achieving 30 seconds fast cooling with 3.5m/s circulating wind and 5-7 water input cooling. Efficient & powerful. Portable Air Conditioner Fan, Humidifier Different than other types of portable fan, this portable desk fan is equipped with a high-density dust-proof curtain that cools,and humidifies, your surrounding air. Add essential oil to fill the room with a soothing fragrance. Enjoy your private coolness in a healthy environment. Innovative Cooling Layers For Fast Cooling With a large capacity of 200ml, our portable evaporative cooler with innovative misting design can suck the surrounding hot air into the fine-fiber water curtain for instant cooling. Manually adjust the fan blade to point to your desired vertical angle (with 80range), bringing you freshness in summer. Compact & Portable Design This mini personal cooling fan can be charged using a USB adaptor, easily portable, and storage-friendly. You can put it in your bedroom, baby's room, office or car. Take the small cooling fan with you to camping during the hot summer. Our small evaporative cooler is your best company, attending you the whole summer. Energy-Efficient & Healthy It works by humidifying the air with mist and therefore reduce the airborne dust, keeping you away from the heat while being energy-efficient and space-saving. A healthy solution & a must-have for the dry, hot summer days.