Mini Air Purifier Negative Ion Smoke Purifier Wearable Portable Necklace Air Purifier

Feature: 1. Negative ions are negatively charged, and when negative ions encounter particles such as dust in the air, the positive and negative will gather together, condense the dust and other substances into clusters, increase the weight of the dust, and make it fall on the ground. 2. The air purifier can purify the air in the range of 3‑5 square metre, effectively purifying the air contaminant around you. 3. This product has a long battery life, charging for 1 hour, and can be used for 8 hours. 4. The product is light and compact, making you more comfortable to wear. 5. This air purifier produces low noise during operation, allowing you to sleep at ease. Specification: Condition:100percent Brand New Item Type: Mini Air Purifier Purification Range: 3-5square meters Negative Ion Concentration: Above 5 million Size: Approx. 59 x 55.5 x 24.5mm2.3 x 2.2 x 1in Battery Capacity: 250mah Working Hours: About 8h Charging Time: 1h Working Voltage: 5V Working Current: 250mA. Package List: 1 x Negative Ion Purifier1 x Lanyard1 x Chain1 x USB Line1 x Manual