USB Portable Wearable Air Purifier, Personal Mini Necklace

1. Using pulse tip technology to release a large amount of oxygen anions, using the latest double carbon brush double negative ion generator design, more than 10 million negative ions, effectively remove floating dust, smoke, formaldehyde and PM2.5 and other harmful substances in the air. 2. Release a large amount of oxygen anions and decompose smoke, odor and harmful gases, such as formaldehyde and benzene released from internal parts [such as bed sheets and leather]. 3. Negative ions promote metabolism, activate cells, refresh and relieve motion sickness symptoms. Specifications: Use Voltage: DC5V Power:<1W Negative Ion Concentration: 10 million pcs / cubic centimeter Product size: 60*55*16mm Charging Time: 1hours Working Time: 48 hours Package Weight: 120g Packing Size: 150*110*25mm Package Included: Air Purifier*1 USB Cable*1 Chain*1