1.no leaf fan is not equivalent to others bacause there is no leaf.the resistance is smaller.no pollution emission.so it's safer more environment friendly.more energy-saving wind is relatively smaller than the stand fan.the wind is surrounded by ring inner lip of fan head of no leaf fan.around the force to drive the air near the fan head followed them into the fan head.finally form a continuous flow of cold air.this new shape of fan not only shape is beautiful.clean up is also convenient.safety has also been improved.

2.energy-saving technology.jet enjine technology.car turbocharging technology.

3 equipment:DC motor.electronic turbocharging USB power cable.