• 【Smart LED Display】The clear digital display shows wind speed and battery level at a glance, giving you easy control over every cooling setting.
• 【100-Speed Precision Control】100-level stepless speed adjustment lets you fine-tune the airflow from a soft breeze to powerful cooling, matching different scenes and comfort needs.
• 【Powerful Brushless Airflow】Driven by a 5000 RPM brushless motor, the fan delivers airflow up to 6.8m/s for quick, refreshing cooling with smooth and reliable performance.
• 【3600mAh Long-Lasting Battery】Dual 1800mAh batteries provide up to 4-5 hours of use, making it dependable for office work, commuting, outdoor walks, travel, and daily cooling.
• 【Foldable Portable Design】Foldable handle design supports both handheld and desktop use, making it easy to carry, store, and enjoy cooling comfort wherever you go.

Specifications:

• Model: YF20
• Product Material: PC + ABS
• Product Size: 193.5 x 43 x 41mm
• Rated Power: 5W
• Battery Capacity: 1800mAh x 2 (Total 3600mAh) 
• Motor: 5000 RPM Brushless Motor
• Charging Interface: Type-C
• Charging Input: 5V⎓1A Max
• Operating Time: About 4-5 Hours
• Maximum Wind Speed: 6.8m/s
• Display: LED Digital Display
• Speed Control: 100-Level Stepless Speed Regulation
• Smart Protection: Over-charge, Over-discharge, Short Circuit Prevention