1, wind and family can use desktop fan wind, there are three gear design strong (weak) can be arbitrary switching wind speed according to the using requirement. 2, international universal rechargeable battery 18650 lithium ion batteries, the longest single section 2000 mah battery can be used more than 4 hours.Is no longer restricted by mains outdoor use, can be used anytime and anywhere.Also can be used into the USB port when the USB fan, wind is as 5 times as the common USB fan. 3, low power consumption, green environmental protection, energy saving province electricity.Maximum power 4 w, this product is only 1/10 of the families use desk fan, but the wind is like family desk fan, the summer can save a lot of spending. 4, compact and portable. 5, novel style, with traditional fan elements also have modern fashion in one portable fan lithium-ion batteries. 6, imported chip brushless motor, high speed, air volume, long service life.Life is up to 20000 hours.