1. Material: plastic
2. Rated power: 1.5V
3. Lithium battery capacity: 350 mA
4. Charging input: 5V 0.5A
5. Charging time: 2-3 hours
6. With non-slip base, not easy to slide when placed
7. Use USB data cable to connect and charge
8. The operating floor noise is muted, does not affect sleep
9. Enlarge the grille to convey natural wind
10. Built-in motor, noise reduction use
11. Weight: about 108.5 grams
12. Size: 8x13 cm