Personal Wearable Air Purifier Necklace/Mini Portable Air Freshner Ionizer/Negative Ion Generator/Odor Eliminator/Remove Smoke in Car

Refresh your mind by purify the air around you. USB charging and low power consumption, can be charged at any time, charging 20 minutes hours for 5 hours long working time. Zero ozone and no radiation, safer and healthier to use. The air purifier`s working volume is as low as 5db, so you can use it in the office or bedroom without any disturb.