Feature
Mini necklace purifier, smart and portable
Large anion, cleaning air and removing smoke, pollen

Detailed Product Description

The product can release anion to eliminate dust and tobacco;

Portable: Smart and easy to take;
You can use it everywhere.

Durable: The life time of battery can use continuously about 20 hours.

Function: Protecting human health through eliminating harmful gas rapidly and effectually;
Anion is known as air vitamins. It can improve people's heart and lung function;
The anion can dispel pollen to control a particular allergen.