Abs
1.[CLOSELY PROTECTION]: This personal air purifier is specially designed for the case that people are not wearing mouth protection. It's normally worn on the neck, but also can be mounting in car and putting on the office table. The necklace air purifier will release negative ions around your body to proven particles, cigarettesmoke, dustsmell. It’s especially used for body odor, sweat smell also.
2.[WORKING THEORY]: Scientifically Negative ions can be proven to be functional for most of smokesmell, cooking smells, and even PM2.5 air pollutants. Negative ions generated by this air ionizer will adsorb suspended particles in the air and accelerate the landing. Electrons carried by negative ions will destroy the molecular protein structure of items.
3.[REASONABLE PARAMETER]:During the exact testing work, When negative Ion Concentration is about 5,000,000pcs/cm3, it is higher but near the real environment of the waterfall or forest case. The test showed that 5Mpcs/cm3 is a suitable balance parameter to meet the standard requirement.
4.[EASY MAINTENANCE]: This wearable air purifier is Hassle-free maintenance. No filter replacement.
5.[USB POWERED]: This is a USB air purifier. This air purifier is Low battery usage and rechargeable. This air purifier necklace needs only 1-hour Charging. Then it can be used for 12-hour Purifying.

SPECIFICATION:
Condition: 100%Brand New
Material: ABS
Power Supply: USB
Control Method: Button
What's Included:
1* Portable Wearable Air Purifier ;
1 * lanyard;
1* USB Charge Cable;
1* User Guide；
1* Clip holder