1. Comfortable wind, smart and safe, 3-speed high wind, silent noise reduction, long-lasting battery life
2. Hidden fan blades, no curls
3. Imitation mountain forest wind guide system
4. 3-speed adjustment, one-key change
5. Double air duct design, strong wind gathering
6. Noise: below 36dB
7. Input power: 5W
8. Input current: 1A
9. Input voltage: 5V
10. Battery capacity: 2000mah
11. Power mode: USB
12. Charging time: 3 hours
13. Working hours: 2-6 hours
14. Applicable area: less than 10 square meters
15. Material: ABS
16. Size: 223x190mm
17. Weight: 230g