Overview: The bladeless office fan has a unique air duct design that increases air pressure and air volume. The desktop air cooler is designed to be silent, with a noise as low as 36dB, so it will not interfere with your work or study. The Portable Silent Mini Sprayer has 3 setting speeds to meet different needs. The office spray fan is designed with atomizing spray, which can be filled with water to help you stay hydrated. The 3-speed cooling fan adopts a silent design, and the LED light is soft and will not hurt the eyes. Product information: Input voltage: 5V / 2A Fan power: 8w Air volume gear: 3 gears Product size: 129 * 145 * 227mm Product weight: 475g Light power: 1w LED color temperature: 3000k Humidification power: 1.5w Water tank capacity: 60ml Humidification time: 1h Packing list: Air cooler X1 Leafless Fan Brings More Natural Wind On a hot summer day, feel the cool wind from nature Upgrade the Air Duct Design to Reduce Noise Increase air pressure, increase air volume, continuously adjust air ducts, reduce noise 3-speed Wind Speed Can be Adjusted The ambient light will illuminate when the fan is turned on and can be turned off when no lights are needed USB Universal Interface Can be connected directly to a computer or powered by a mobile power source Humidifier Cooling Aromatherapy, essential oils, etc. can be added to lower the temperature of the wind and increase the humidity of the wind. Water Filling Step Open the humidifier and place it smoothly Tilt the product and slowly add water Put the humidifier back in the water tank