USB power port, more convenient to move and easy to use.-The handle can be lifted and designed to be mobile and free to install. -Brush-less motor with high speed and low noise,stable and quiet 4 blade design, soft sound and low noise,does not affect sleep.-Open top with water, simple and beautiful, it is easy to fill up when adding water.-Lift-able handle design, mobile and installation-free, light and flexible, no space, even if the volume is small, it does not affect the fans air performance.-Multi-usage,integrated cooling fan,very practical in daily life.Specifications:Material: ABSWeight: 700gCurrent: 300mANegative ion working power: 1WInput voltage:DC5ATank capacity:150mlProduct size: 151X150X171mm1:Made of high-quality materials, wear-resistant and anti-corrosive, durable.2:Mini negative ion, air conditioning fan, refrigeration and air conditioning fan, you will get a cool in the summer.3:Simple and beautiful, the function is not single, and the air temperature is quickly reduced to export a cool cold wind