spray cooling fan portable water humidifier,USB fan,desktop small fan,mini air conditioner humidifier double head fan 1.Nano level fine mist transforms water mist into water molecules into fine mist, deeply moisturizing the skin. With a large capacity water tank, adding water once can provide long-lasting moisturization. 2.Effectively reduce the surrounding air temperature, with a low wind speed of about 6.5 hours, a high wind speed of about 3.5 hours, a single atomization of about 5.5 hours, a low wind speed and atomization of about 3 hours, and a high wind speed and atomization of about 2 hours. 3.The fan head is designed to be far away from the body to minimize noise, allowing you to enjoy both high winds and quiet rest. Silent noise reduction for a pleasant rest, with a blocking function to prevent hand injury, and a blocking function to immediately stop rotating when encountering obstacles, avoiding skin and body damage. 4.Product material: ABS+PP+PE+PC+silicone Rated power: 4 watts (1.2W for low wind, 2.5W for high wind, and 1.5W for atomization) 5.Product size: 127x123x85mm