USB Plug-in Home Bedroom Deodorizer Desktop Car Negative Ion Air Purifier(Square)

1. 360-degree quick effect to improve air quality
2. Replaceable composite filter cotton can effectively filter dust particles, formaldehyde, viruses, etc.
3. Large area to filter out a variety of harmful substances in the air
4. Dual gravity DC motors with noise-reducing air ducts for silent operation
5. Material: PP, electronic components
6. Rated input: 5V
7. Working principle: activated carbon
8. Noise: below 36dB
9. Air volume: 50 cubic meters per hour
10. Power supply mode: USB connection power supply
11. Applicable area: 21-30 square meters
12. Product size: 9 x 9 x 16 cm