✅ Features: Two Purification Modes – Adjustable high/low settings provide flexible air cleaning performance, lasting 30–60 hours per charge. Negative Ion Technology – Releases up to 120 million ions/cm³ to effectively reduce dust, pollen, smoke, and other air pollutants. USB Type-C Rechargeable – Built-in 700mAh battery supports convenient charging, no filter replacement required, eco-friendly and cost-saving. Wearable & Stylish Design – Lightweight, compact, and fashionable necklace style, perfect for cars, offices, bedrooms, subways, or travel. .
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