Folding Hanging Umbrella Fan USB Handheld Portable Umbrella Clip Fan Compact Desktop Fan 1. Input voltage: DC 5V 2. Input current: 800mA 3. Wind speed: 3 adjustable levels 4. Battery capacity: 1200mAh 5. Use time: about 1.5-4.5h 6. Indicator light: red light is always on when charging, and the red light goes out when fully charged 7. Material: ABS+PP+electronic components 8. Size: about 20.5 x 11cm 9. Weight: about 163g Features: 1. The back cover can be opened, and it can be clamped on an umbrella for use 2. Three levels of wind speed can be adjusted 3. Adjustable up and down 90 degrees 4. Small and portable, easy to put into a bag 5. Foldable for desktop use 6. Self-locking clip switch, push down with your finger to open the self-locking clip, simple and convenient installation 7. Aviation axis arc fan, larger and cooler wind 8. DC brushless motor, 4-blade wind cutting technology, light breeze does not disturb people, can also be used in the library 9. Handheld fan design, can be taken outside 10. The front grille can be easily removed for cleaning 11. High-density ABS environmentally friendly material + PP is used to resist high temperature and impact