1. Low noise operation, variable frequency DC motor
2. Material: Plastic
3. Features: three levels of wind, three levels of light, natural wind, desktop + spray + light, low noise and mute, easy to carry
4. Power supply mode: USB charging
5. Charging time: 3 hours
6. Working time: 1-4 hours
7. Battery capacity: 12000mah
8. Input power: DCV 5V / 1A
9. Power: 1.3-4.8W
10. Size: 8.5x10.5x12.5cm