[3-Phase Brushless Motor, Super Strong Wind]- The personal mini fan utilizes a turbine structure with a powerful 3-phase brushless motor, multi-stage pressurized airflow system, quickly compress and cool down the hot air that is sucked in. You can enjoy the powerful cooling wind in hot summer. [5-Speed Adjustable, Super Long Standby]- Portable handheld small pocket fan adopts a upgraded 5 gear turbo wind for potent cooling. Adjust appropriate fan speed by pressing the power button repeatedly. Handheld fan with built-in 3600 mAh large-capacity battery and USB charging port, fully in only 3 hours. You can control the airflow from natural, slow, medium, fast and super fast according to different needs. [Foldable and Portable Anti-Lost]- The mini desk fan can fold up to 180°, adapts to any angle you want. As a handheld fan, neck fan or desk fan. You can use this fan: ①hold it on your hand, ②put it on the desk, ③hung around the neck with the provided string. The personal fan is your summer