PAVEOS 1PC Portable Mini Purifier Necklace Wearable Negative Generator Low Noise Feature: Negative will absorb suspended particles in the (for example: PM2.5, ,, second-hand, pet hair, etc.), absorb, and fall to reduce harmful particles in the, so that the can be removed to a certain extent. Purification, caused by the respiratory tract occur in the human body. Product Name: Purifier Necklace Feature: Portable / Hanging Neck Size: 55mm(H)x20mm(W)x18mm(D) Color: Black, White,Navy,,Green Material: ABS Input Voltage: 5V Net weight: About 30g Anion Release: ﹥5000w/min/cm² Charging Time: About Fully Charged In 30 Minutes Ultra quiet during without bother you when you working or a. Long lasting, charge half hour can be used for about 12 hour. Package Content: 1x purifier 1x usb charging cable Househeld supplies for adult and Children Design: Our Air purifiers adopts a close-to-life design, just to achieve a satisfying experience for you. Durability: This Air purifiers is made of sturdy and durable materials, which can maintain its functionality even after frequent use. Multipurpose: This Air purifiers can provide convenience for your daily life, whether it is for daily work or home leisure, you can also give it to your husband/wife/family, they will love it! Wide Selection: Discover an extensive range of household tools, from indoor to outdoor accessories, ensuring you find exactly what you need for your home . This Air purifiers will surely fulfill your needs! Service: If you encounter problems in the process of using Air purifiers, please feel free to contact us and we will solve them for you.