WOOLALA Newly 3S Fast Purifi-Cation Wearable Air Puri-Fier Necklace, USB Personal Air Filter 12Millions Large Anions Ouput with Carbon Fiber Brush Dual Purifi-Cation

[Upgraded Protection] This mini size air necklace around the neck, giving you a personal protection, let you breath safe and clean air at anytime. Releases 12,000,000 anions per second through the carbon fiber brush which is 5-10 times than other air necklaces in the market. Upgraded version with affordable price.
[Efficient Purification] These contributing ions can combine with suspended particles due to due to their static charge, make them inactive or precipitate. High effectively remove harmful substances and other particles would do harmful to human body. 3 Seconds fast purification, please refer to the video of this product.
[Multiple Occassions]Wearing the air neklace like forming an invisble shiled that can provide you with protection under any circumstances. This portable air necklace is perfect for smokers, pet owners, children, the elderly, people with allergies, or when you go to some public area with poor air quality.
[Long Working time] Built-in 700mAh large battery, can last up to 30 hours working after fully charged. USB charge port, convenient to charge with pc, power bank, car or adapter. Bring you a whole day fresher air whether you’re at work, out at an event, or just relaxing at home!
[Portable & Quiet] Size: 7*3.4*1.8cm. Mini size and lightweight, take this air necklace wherever you go especially in the flu season. Quiet operation, won’t make noise when operating. There is a protective film on the front, please peal off the film before use.