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Want to know if it can be used while charging?
How about the blade material of the fan? Is it durable?
Can you measure its air volume with a professional instrument?
Test its wind changes at low power.
Test whether it has a great impact on the power supply of the computer's USB interface?
Test the impact of the fan on the charging speed of the mobile phone.
Do you want to know if its packaging and accessories are complete?
It looks good. I don't know how the battery life is.
Can you compare the advantages and disadvantages of other brands of USB fans?
Is it convenient to clean the fan?
I feel that the appearance design of this fan is quite fashionable. How is the actual experience?
If the stability of the fan is good, will it be easy to dump?
Is the shaking head function of this fan flexible?
Will the noise of the fan affect work and study?
I don't know if it can be used on the car USB interface?
Can you test its performance in a high-temperature environment?
Are there many color choices for this fan?
I want to see how it works at different voltages.
Excuse me, is its key operation sensitive?
Can you tell me about your personal feelings after using it for a period of time?
Is the range of the test wind wide?
How many gears can the wind speed be adjusted?
Excuse me, is it heavy? Is it convenient to carry?
Will there be any odor after the fan runs for a period of time?
Can you measure how long it will take to be fully charged?
Will it be hot after working continuously for a few hours?
Can you measure its power?
Is the speed of the fan fast?
I don't know if its power cord is long enough?
Is this fan windy enough? Will it be noisy?
Do you want to know how long the warranty period of this fan is?
Test the use of the fan in a humid environment.
Let's see how big the shaking head angle of the fan is?
Can you see how it is dustproof?
Is this fan expensive? Is it cost-effective?
cool
Do you want to know how its after-sales service is?
Want to know if it can be used while charging?
How about the blade material of the fan? Is it durable?
Can you measure its air volume with a professional instrument?
Test its wind changes at low power.
Test whether it has a great impact on the power supply of the computer's USB interface?
Test the impact of the fan on the charging speed of the mobile phone.
Do you want to know if its packaging and accessories are complete?
It looks good. I don't know how the battery life is.
Can you compare the advantages and disadvantages of other brands of USB fans?
Is it convenient to clean the fan?
I feel that the appearance design of this fan is quite fashionable. How is the actual experience?
If the stability of the fan is good, will it be easy to dump?
Is the shaking head function of this fan flexible?
Will the noise of the fan affect work and study?
I don't know if it can be used on the car USB interface?
Can you test its performance in a high-temperature environment?
Are there many color choices for this fan?
I want to see how it works at different voltages.
Excuse me, is its key operation sensitive?
Can you tell me about your personal feelings after using it for a period of time?
Is the range of the test wind wide?
How many gears can the wind speed be adjusted?
Excuse me, is it heavy? Is it convenient to carry?
Will there be any odor after the fan runs for a period of time?
Can you measure how long it will take to be fully charged?
Will it be hot after working continuously for a few hours?
Can you measure its power?
Is the speed of the fan fast?
I don't know if its power cord is long enough?
Is this fan windy enough? Will it be noisy?
Do you want to know how long the warranty period of this fan is?
Test the use of the fan in a humid environment.
Let's see how big the shaking head angle of the fan is?
Can you see how it is dustproof?
Is this fan expensive? Is it cost-effective?
cool
Do you want to know how its after-sales service is?