1. Material: ABS, electronic components
2. Noise: below 36dB
3. Rated voltage: 3.7V
4. Rated power: 3W
5. Wind speed gear: 2 gears
6. Built-in battery: 500mAh lithium battery
7. Battery life: 1-3 hours
8. The front and rear thickened mesh cover design does not hurt hands
9. Atmospheric night light, convenient for night use
10. Quiet operation, large air volume, long use time
11.Micro USB interface, charging is more convenient
12. Product size: 11.5 x 7.6 x 4.2 cm
13. Product net weight: 119 grams