USB Portable Air Purifier Mini Air Necklace Wearable Negative Ion Air Freshener for Child

Feature 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 7 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 decompose smoke odor and formaldehyde benzene and other harmful gases released by car parts such as sheet leather 3 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 Specifications Color White Blue BrownNegative ion concentration ≥7 million cm3Material ABSSize about 2 0 4 6 5 7cmCharging time about 30 minutesLength of use about 5 hoursPower Supply USBBattery capacity 180mAhPackage Including 1 Air Purifier Necklace1 Charging Cable1 Instruction manual