Notes

Factors to think about when choosing a portable fan
1. The wind power of the portable fan and the cooling function
Hanging neck fan wind power size is identified by the number of turbo fans, generally surrounded by the wind scenario is from the bottom to the top, you can blow to the head part to accomplish a certain cooling function.

General dual-scroll fan with dual blades, you can accomplish sufficient wind power size, some fans can utilize the cooling function, cold air mode cooling will be more apparent some.

So the wind then require to look at the hanging neck small fan is a few cores, the variety of turbo fans, and what the air outlet hole is like, will affect the physical feel of the wind. The typical types on the marketplace are divided into 2 types, wrap-around type, double side type. Wrap-around type can blow the wind in the type of wrapping, neck hair can be blown. Double side type is the wind on both sides, usually straight blowing wind, less healthy.


2. The quality of the fan using comfort
The mass of the fan must be less than 300g, so that hanging on the neck will not have a large concern, belonging to the affordable variety.

Use a very long time will still feel worn out, so select the type of storage, that is, the folding type, when not in use took into the bag, so it will not constantly hang on the neck will be easier.


The structure of the fan to be able to fit the neck, some friends of the collarbone will be more apparent, so the contact part will have a specific treatment, can be able to fit the person's body well ~

3. Hanging neck fan air outlet mode
The standard fan is the cutting wind produced by the rotation of the fan blade, so it is different from the natural wind we typically blow, to put it just must be the fan blowing out the wind will have a specific angle, blowing for a long time there will be pain, and even headache signs.

But when we blow the natural wind outdoors even if it is blowing all afternoon, it does not matter, there is no pain at all, so this is the distinction in the form of wind, the natural wind is parallel wind. Hanging neck fan of the complete location around the wind can be preferred.


The bladeless fan utilizes the innovation used in jet plane engines and car turbocharging to absorb air through the suction holes at the bottom, and an impeller hidden inside the edge of the circle will eject the air in a circular trajectory, so a continuous stream of cool air will be formed.



The important thing is that this air circulation is smoother and closer to natural air than the wind produced by ordinary fans, and it produces an amount of air equivalent to the best carrying out fans on the market.

The bladeless fan can also use a variable frequency wind speed size modification device to help with the modification of the wind speed according to the real circumstance, the air volume can be increased evenly, while the airflow will likewise drive the air in the circle forward through viscous force. The superposition of the two impacts can in theory make the real quantity of air burnt out a complete 15 times the quantity of air drew into the base!

Put simply, it means that the velocity of the parallel spray, so to be closer to the natural wind will be more soft and powerful ~

4. hanging neck small fan charging kind
The majority of the portable fan on the marketplace in order to help with the carrying of most of using usb charging form, using rechargeable batteries can likewise be used in the outdoors without electrical energy, the duration of the distinction is relatively large, it is best to use more than 8 hours, so that if you play outdoors to make sure that enough power can be utilized, otherwise it ends up being a problem after running out of power.
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