Portable Wearable Necklace Air Purifier with Negative Ion Technology

No burden to wear: Mini size, light weight, no burden to wear for a long time; 2. Online appearance: exquisite and fashionable appearance, easy to match with various clothes, more comfortable to wear when going out; 3. Quick purification: 15 seconds of rapid purification, bringing fresh air and caring for physical and mental health; 4. Efficient operation: double negative ion emitters, quickly release negative ions, evenly cover the entire room; 5. Long-lasting battery life: Built-in large-capacity battery, with USB charging mode, no fear of battery life problems. Product Specifications: Negative ion concentration: 20 million Rated voltage: 3.7V Rated power: ≤ 1W Battery capacity: 230MAH Charging time: about 1 hour Battery life: about 48 hours Material: ABS Colors: Black Size: 6×5.5×1.6cm Weight: 30g Packing method: Neutral packing Packing size: 11×15×2.5cm Packing weight: 130g Package Contents: 1 x Host 1 x USB cable 1 x Necklace 1 x Manual