Experience cleaner, fresher air wherever you go with this advanced Necklace Air Purifier, designed for personal, portable air purification. Crafted from durable ABS material, this wearable air purifier features a powerful negative ion purification system that releases over 120 million negative ions per cubic meter, effectively neutralizing airborne pollutants and enhancing air quality around you. Key Features: · **Powerful Negative Ion Purification:** Equipped with dual negative ion generators, this necklace purifier emits a high concentration of negative ions to purify the air in a 1m³ radius, helping to reduce airborne contaminants and improve breathing comfort. · **Portable and Wearable Design:** Lightweight and compact, it can be comfortably worn around the neck, allowing you to enjoy clean air anytime and anywhere—whether at home, in the car, office, or bedroom. · **Eco-Friendly and Filter-Free:** Utilizing a carbon fiber brush and no replaceable filters, this purifier is environmentally friendly and designed for long-lasting use without the hassle of frequent maintenance. · **Adjustable Air Purification Levels:** Features high and low gear settings to customize the purification intensity according to your surrounding environment, ensuring optimal comfort and air quality. · **Long Battery Life and Quick Charging:** Powered by a built-in 700mAh polymer lithium battery, it offers 30 to 60 hours of continuous use on a single charge, with a fast charging time of approximately 2 hours via 5V input. · **Versatile Usage Scenarios:** Ideal for improving nasal comfort and air quality in various settings including bedrooms, cars, offices, and other indoor environments. Specifications: · Material: ABS · Voltage: 5V · Battery: Polymer Lithium Battery 700mAh (Included) · Working Time: 30-60 hours · Charging Time: About 2 hours · Gross Weight: Approx. 102g / 3.6oz · Item Type: Necklace Purifier Package Includes: · 1 x Necklace Air Purifier This Necklace Air Purifier combines innovative negative ion technology with a sleek, portable design to provide you with clean, purified air on the go. Its adjustable settings, long battery life, and eco-friendly operation make it an essential accessory for maintaining a healthy breathing environment in your daily life.