1. Size: 120*127*132mm
2. Weight: 470g
3. Material: ABS/PP, PC electronic components
4. Operating power of negative ions: 1W
5. Battery voltage: low-speed gear 300mA, medium-speed gear 540mA, high-speed gear 720mA
6. Charging time: about 3 hours
7. Working hours: about 8 hours in first gear, 4.5 hours in second gear and 2.5 hours in third gear.
8. One bond releases millions of negative ions and enjoys cleaner air environment easily.
9. 150mL large capacity water tank, just right to avoid water tank surplus
10. Noise-free design, without affecting sleep