Neckwear Air Purifier with Strap Portable Negative Ion Generator

Features:
[High-Efficiency]Effectively removes PM2.5, smoke, pollen, and other air pollutants in the air by releasing 10 million Negative Ion.
[Easy to Use]Just press the button to enjoy the fresh air. Negative Ion can help promote metabolism, activate cells, refresh your mind, and relieve symptoms of motion sickness.
[Low Noise]Designed on the base of the principle of hydrokinetics to operate below 20dB which will not affect your work.
[Great Gift]The air purifier makes a great and valuable gift for your friends and family.
[USB Rechargeable]The mini portable air purifier can charge by any USB port and can last for about 48h with a full charge.