Mini Air Conditioner Air Cooler USB Portable Desktop Silent Spray Refrigeration Cooler product description: The fan has three levels of wind, which can be adjusted left and right. You can set the mode through the knob and adjust the wind direction through the blinds to meet your needs. The unique design makes the product more eye-catching and popular. The design of adding water can bring you double the coolness, and the air supply distance is longer. Built-in 4000mAh rechargeable battery with USB charging port, which can be charged by computer, mobile power and car. No need to worry about running out of battery power. The cooling fan produces almost no noise during work, and can provide you with a quiet and comfortable rest or work environment. The water-cooling fan is small in size, easy to place on the table and bedside, and has a small space, suitable for use in bedrooms, offices and cars. specification Material: ABS/PP/circuit board Battery capacity: 4000mAh Working current: 0.3-1.5A Rated power: 1.2-6W Products include: 1 cooling fan 1xUSB charging cable