1. Material: ABS+PP 2. Input: 5V/1A 3. Power: 3.5W 4. Battery capacity: 1200mAh 5. Charging time: about 2.5h 6. Gear: 3rd gear 7. Working time: about 4.7h in the first gear, about 2.4h in the second gear, and about 1.5h in the third gear. 8. Core cyclone supercharging, ultra-high speed motor 9. Three levels of cool wind, no headaches after prolonged blowing 10. Compact and mini size, can be placed in a handbag
