IONION MX Ultra-Compact Negative Ion Generator - Ruby Red

I purchased this for pollen countermeasures and noticed a clear difference when wearing it during pollen season versus when not, so I felt it was quite effective.
It is also effective against dust, viruses, PM2.5, secondhand smoke, and more.
I am letting it go because I do not like the design.
Operation has been confirmed, but there are signs of use.
The charging cord, adapter, instruction manual, etc., are not included. Only the main unit will be shipped.

[Product Description]
Embrace a daily life surrounded by negative ions.
Dust, pollen, PM2.5, and other airborne chemical substances are positively charged.
Modern people, living surrounded by electronic products and synthetic fibers, are constantly positively charged, causing these chemical substances to remain suspended and creating an environment where it is easier to inhale them.
While regular negative ion generators are solely intended to neutralize this positive charge, the Ionion MX is a super-compact negative ion generator that utilizes patented technology to charge the body's surface, enveloping the body in an ion barrier to protect it from chemical substances.