Types of USB fans

    There are currently many USB fans with different shapes and types on the market.

1. Portable USB fan

    The portable USB fan can be battery powered and can be folded.

2. Direct connected USB fan

    The characteristic is that there is no base or cable, and the USB port is directly connected through a slender corrugated pipe.

3. Universal USB fan

    The appearance is relatively simple, and the functions are also very simple. There is only an ON/OFF power switch, and the fan speed cannot be adjusted. The biggest advantage is that the air volume is large and the noise is also low. 

4. Adjustable speed USB fan

    The power switch adopts a knob type, and the biggest feature is that the air volume can be adjusted. The fan blades are made of polyurethane, soft and soft, with low air volume and low noise. The motor and base are connected by flexible pipes, which can adjust the blowing angle. 

5. Giant USB fan

    The body size is larger than other common USB fans. And it provides a negative ion generation function, which not only provides cool air but also generates negative ions during operation, creating a good environment for users to use their computers.

6. Creative USB fan

    The small fan also has a big personality, and a better air type structure can make the air supply more thorough. At the same time, coupled with creative design elements, the small fan becomes more attractive.