Introducing our GL-2189 Necklace Mini Personal Air Purifier with LED Indicator, the perfect solution for those seeking to maintain clean air and a healthy lifestyle on-the-go. With a compact and portable design, this product emits negative ions that neutralize pollutants and allergens in the air, such as dust, pollen, and smoke. The built-in LED indicator also lets you know when it's time to recharge. As a factory offering high-quality air purifiers for personal use, you can trust that this product has been rigorously tested and is designed to improve your daily air quality.