Formaldehyde Removal Hanging Neck Air Purifier(White)

1. Can actively adsorb and settle PM2.52. Remove smoke, formaldehyde, harmful substances, pollen, dust, second-hand smoke, bacteria, etc.3. Environmental protection and no consumables, carry it with you4. High efficiency and energy saving, long battery life5. Negative ion emitter, carbon fiber brush6. Working current: less than 50mA7. Rated power: 1W8. Rated voltage: 5V9. Power supply mode: USB charging / built-in lithium battery10. Battery capacity: 700mah11. Material: ABS+Silicone+Electronic components12. Charging time: about 2 hours13. Noise: 10dB14. Applicable area: less than 10 square meters15. Working principle: negative ions16. Air volume of air purifier: 51-150 cubic meters per hour17. Dimensions: 80 x 35.5 x 25.5mm18. Weight: about 46g