Over 20 million negative ions per second .
Effectively remove particles above PM0.1 by more than 99.9% (including PM2.5) .
Near zero ozone production rate (less than 0.001ppm) .
With a stainless steel fashion necklace, negative ions are highly efficient .
23g ultra-lightweight body, wearing no burden .
Groups such as hay fever, allergies, and commuting are applicable indoors and outdoors .
USB rechargeable design .
Outdoor (high negative ion number) / indoor (power saving) two modes .
Can be used continuously for 30 hours (indoor mode) .
Silent silence, no consumables, no electromagnetic waves .
Pass: International EU CE, SGS, BSMI (Lithium Battery), UN38.3, MSDS certification.
Taiwan design and manufacture .
Material: PC, 316 stainless steel
Size: 69 x 25 x 18 mm
Power supply: built-in lithium battery (in line with international safety standards)
Charging time: about one hour
Use time: up to 30 hours (indoor mode)
Operating mode: outdoor mode (continuous generation), indoor mode (intermittent generation)
Place of Origin: Taiwan MIT
Negative ion amount: up to 20,000,000 / cubic centimeter