1. Remove PM2.5, Smoke, Bacteria, Virus, Allergy, TVOC

2. Air Travelling, Office, Hospital, Classroom, Bus, Train

3. Applicable Area: Up to 1 meter

4. Negative Ions(output): 20 million pcs/cm3

5. Negative Ions(5cm): 8 millions pcs/cm3

6. Size: 80 x 37 x 24mm

7. Running time: 30-35h

8. Charge time: 3-4h

9. Batter Lifecycle: >500 times

10. Battery: Lithium ion (650mAH)