I tried to cool it with a powerful USB fan "Si-rocco fan" mounted FAN-U20

Increasing the setting temperature of air conditioning has an effect on power saving in the summer, but in that case it is recommended to use a fan together. Especially, it is convenient to use the USB type which takes less space and consumes less electricity easily. This time "Sirocco fan" was adopted for PC cooler and so on called the shape of the blade "USB fan FAN-U20I actually decided to check the ability by actually using it.

◆ Photo review

The package looks something like this. The color has black and white, the price is 2940 yen including tax.


USB cable matching the main body color is attached.


The size is width 63 × depth 100 × height 100 mm, power consumption up to 500 mA.
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There is an air inlet on the side.


With USB terminal for power supply behind.


Equipped with touch-sensitive power button


There are four rubber feet on the bottom so it is hard to slip on a desk like a slipper.


Adjustable angle for sending wind.


The side of the white model looks something like this.


The positions of the air inlet, USB terminal, power button, etc. are all the same as black.



◆ I tried using

I tried connecting with a PC as follows.


The way you actually switched on and woken up the wind is as follows. Although I do not do wind noise, the sound like "Vienna" of a motor is reasonably large so much.

Tried using USB fan "FAN-U20BK" with multi-blade fan - YouTube


You can see the movie that shows that enough air volume is obtained even at 30 centimeters away

Check the power of USB fan "FAN-U20BK" with multi-blade fan - YouTube


That's why a person who is looking for a compact and powerful USB fan is a necessity check.