Item Type: Negative Ion Air Purifier. 1 x Air Purifier. Negative Ion Emission: 4000W/Cm³. Small in size, it is lightweight and portable, can be hung on the neck, avoids the trouble of holding it, does not take up extra space, and can be used in various situations.
Portable necklace air purifier is ideal for people who want a stylish way to purify the air.
