1. Material: PP
2. Voltage: 5V
3. Power supply mode: USB
4. Power: 1W
5. Anion concentration: 300W
6. Usable area: Within about 10 square meters
7. The USB socket, safe and convenient, can be used when plugged into the cars USB interface
8. Exquisite and compact, easy to carry
9. Activated carbon brush can effectively filter dust and other particles
10. Weight: About 12.8 grams
11. Size: About 9x2.5 cm