Air Purifier Usb Portable Personal Wearable Necklace Negative White

Features:1.The pulse tip technology is used to release a large amount of oxygen anion. The latest double carbon brush double negative ion generator design uses over 6 million negative ions to effectively remove harmful substances such as floating dust, smoke, formaldehyde and PM2.5 in the air.2.Release a large amount of oxygen anion, kill harmful bacteria, mold and virus, decompose smoke, odor and formaldehyde, benzene and other harmful gases released by car parts (such as sheet, leather).color: White3.Negative ions promote metabolism, activate cells, refresh and relieve motion sickness.4.Mini,portable necklace design, stylish and convenient to carry.5.Easy to operate, one button for on/off.Just press the button for two seconds to enjoy the fresh air.Material: ABSSize:1.5*5*5cmCharging time:about 30 minutesLength of use:5 hoursPower Supply:USBbattery capacity:300mAhPackage including:1pcs*Air Purifier Necklace1pcs*Charging Cable1pcs*Instruction manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.