【Efficient Purification and Authoritative Certification】: Chartreey Air Purifier Necklace leverages cutting-edge technology to release over 500+ million negative ions per cubic centimeter. Size: 1.89in*2.05in*0.91in, Weight: 34g. It creates a 3D dynamic health shield. Backed by ISO, FCC, CE, and RoHS certifications, this device ensures safety without producing ozone, noise, static, or secondary pollution. 【Patented Technology, Filter-Free Innovation】: Free from traditional filters, the EMP (Electronic Pulse Modulation) and Electrostatic Isolation technologies redefine purification methods. Our portable air purifier employs triple-action mechanisms—physical adsorption, electrostatic neutralization, and chemical decomposition—to effectively capture PM2.5, formaldehyde, pollen, secondhand smoke, pet hair, and more. 【Small Body, Big Heart】: Despite its compact design, the Chartreey Wearable Air Purifier boasts an innovative AI chip that consistently generates over 500+ million negative ions. This intelligent system adjusts ion output based on air quality, ensuring optimal performance in any environment—be it at home, office, or outdoors. 【Innovative Aesthetic Design】: Our personal air purifier is designed in the form of a wearable, drawing inspiration from everyday life and winning the German IF Award. It adopts a beautiful and lightweight design concept, redefining aesthetics and portability. This makes it not only a powerful air purifier, but also a fashionable accessory. 【Silent Operation for All-Day Comfort】: Operating at an ultra-low decibel level of 5dB, this negative ion air purifier is perfect for sleep and other quiet environments. Its zero-radiation zero-noise zero-static feature ensures safety for all users, including seniors, pregnant women, and smokers. Whether you're at home, school, work, or traveling, it adapts seamlessly to your lifestyle while delivering fresh, clean air. Very suitable foralso a gifts for mom and wife. 【Next-Generation Air Purifier】：Our wearable negative ion air purifier necklace differs from traditional air purifiers. Instead of relying on high airflow to absorb pollutants, it generates a large number of negative ions to ionize pollutants around the face, causing them to become heavier and quickly settle to the ground. As a result, it operates quietly, and you can smell the fresh negative ions by simply bringing your face close to the carbon brush head. Its high purification performance can also be verified through smoke tests. 【Ultimate Service】：If you have any questions about our products during the purchasing process, please feel free to contact us at any time. We offer 7x24 hour service to provide you with the perfect solution. Experience the future of personal air purification with the Chartreey Portable Air Purifier—a wearable necklace designed to bring fresh air wherever you go. Harnessing advanced technology, this compact yet powerful device generates true 502 million/cm³ negative ions, effectively removing dust, pollen, smoke, and other pollutants. Backed by authoritative testing, this purifier achieves purifier efficiency of 99%. Powered by patented EMP and electrostatic isolation technologies, it eliminates the need for replaceable filters, making maintenance effortless. An integrated AI chip intelligently adjusts ion generation according to ambient air quality, ensuring continuous purification tailored to your needs. With its German IF Design, the Chartreey Air Purifier combines functionality with elegance. Lightweight and discreet, it fits effortlessly into daily life while offering up to a full day's. Silent operation at just 5dB makes it ideal for sleep and other quiet settings, providing peace of mind for individuals, families, and even pets. Breathe easier and live healthier with Chartreey—the ultimate companion for personal air quality management.