Product information: Power supply: USB Noise: 40-50 db Rated voltage: DC5V 1.5A Rated power: 7W Air supply mode: no turning, no shaking Wind speed gear: 3 Shaking head: Shaking head from side to side Motor type: Brushless motor Classification of fans: Spray fans Outline dimension of product: 180 * 180 * 280mm Water tank capacity: 500ml Maximum evaporation capacity: 50ml/h Features: About 45 degrees automatic swing head wide Angle air supply, so that the fresh wind has no dead Angle The new water on the design, can be directly uncovered to add water, ice, no need to separate the tank, do not worry about the overflow problem Up and down wind can be manually adjusted Packing list: 1× Cold fan1×USB