1. Material: ABS/electronic components
2. Wind speed gear: 4 gears
3. Battery life: 1-3 hours
4. Quiet, compact and portable
5. Air supply method: turn page
6. Noise: below 36dB
7. Rated voltage: DC5V
8. Rated power: 0.12A
9. Built-in 300mAh battery
10. Suitable for a variety of mask models
11. Rated current: 500mA
12. Cool and breathable, comfortable and not stuffy
13. Support charging, Type-c charging port
14. Layers of filtration gas, safe and fresh
15. Anti-epidemic personnel filter mask fan
16. Easy to clip, effective cooling, strong wind
17. The glasses do not fog, the mirror surface is transparent, and the vision is clear
18. Filter germs, breathing simulation, skin-friendly material, reduce droplets, filter dust, isolate haze/second-hand smoke
19. Net weight: 24g
20. Dimensions: 60x34x18mm