USB Mini Portable Air Purifier Necklace
Characteristics:1. Advanced pulse technology is used to release a large amount of oxygen anion. Latest double carbon brush negative ion generator design uses over 6 million negative ions to effectively remove harmful substances such as floating dust, smoke, formaldehyde and PM2.5 from the air .2. release a large amount of oxygen anion, kill harmful bacteria, mold and viruses, break down smoke, odors and formaldehyde, benzene and other harmful gases released by car parts (such as than leaf, leather).Color: pink / blue3. Negative ions promote metabolism, activate cells, refresh and relieve motion sickness.4. Mini, portable necklace design, stylish and convenient to carry.5. Easy to use, one button for on / off. Just press the button for two seconds to enjoy the fresh air.Material: ABSSize: 1.5 * 5.7 * 4.5cmCharging time: about 30 minutesDuration of use: 5 hoursPower supply: USBBattery capacity: 300 mAhPackage including:1-piece air purifier collar *1 pieces * charging cable1 pieces * inst