Condition: 100% Brand NewItem Type: Wearable Air Purifier NecklaceSize: Approx. 68 x 63 x 18mm/2.6 x 2.4 x 0.7inBattery Capacity: 240mahCharging Time: 30 MinutesUse Time: About 12 HoursInput Voltage: 5VMaterial: ABSOptional Color: Black, White, Pink1¡¢Purify air, condense dust and other substances into clusters, increase weight of dust, etc., and make it fall on the ground. 2¡¢Can be worn on your neck, hand, bag, trouser hook, stroller. 3¡¢Receive natural and fresh air and breathe healthily. 4¡¢Small and light, easy to carry around. 5¡¢Can capture airborne particulate matter (PM2.5), dust, cigarette smoke, cooking odors and unpleasant odors.1 x Wearable Air Purifier Necklace1 x Usb Line1 x Hanging Chain1 x Manual