Portable Neck Hanging Pneumatic Purifier Portable Necklace Pneumatic Purifier Features: 1. * * Convenient to wear * *: This pneumatic purifier adopts a hanging neck design, which is lightweight, comfortable to wear, and will not bring you any burden. You can hang it around your neck and enjoy the fresh pneumatic anytime, anywhere. 2. * * Efficient purificationic * *: Although it is small in size, it has powerful purificationic capabilities. It can effectively clean up harmful substances such as PM2.5, formaldehyde, and dirt from the pneumatic, allowing you to breathe healthier pneumatic. 3. * * Fashionicable Appearance * *: The appearance design of the pneumatic purifier is easy and fashionicable, making it very suitable for wearing as a necklace. Its colors are also very diversified, and you can choose different colors according to your preferences. 4. Silent operate: During operate, there will be no noise and it will not affect your normal life and work. You can enjoy fresh pneumatic while maintaining a quiet environment. 5. * * Extra Long Range * *: This pneumatic purifier is equipped with a large capacity battery, which has a long battery life and can be used continuously for several hours when fully charged. You don't need to charge frequently, it's very convenient to use. Product Description: Product includes: 1X purifier, 1X USB, 1X manual Product weight: 90g Packaging size: 125 * 95 * 25mm/4.92 * 3.74 * 0.98 inches Battery content: 350mAh Charging time: 1 hour Negative ionic concentrationic: 20 millionic per CUBICS centimeter double mode: high and low gears (third-generationic high-voltage coil technology)