DIY Pocket Handheld Brushless Motor Fan

Adopting brushless motors, with longer lifespan and stronger wind power.
Using a 18650 lithium battery, it can be charged.
A very small size.
If you need relevant accessories, you can enter the store to purchase:
https://s.click.aliexpress.com/e/_opS...
https://rcmodel.aliexpress.com/

If you need a 3D printing file for the motor base, please download it yourself:https://drive.google.com/file/d/1f4GZ...