Air Purifier Necklace Mini Portable USB Air Cleaner Negative Ion Generator Low Noise Necklace Purifying Generator

This product is a high-efficiency negative ion air purifier, which can release millions of negative ion groups, forming an invisible air filter barrier within one cubic meter of the nose, actively neutralizing and purifying to isolate air impurities, pollen, smoke, dust, etc. the tiny pollutant particles inside.Features:Fashionable and particular miniature wearable air purifier.Advanced mute technology, low noise during the whole process, safe, energy saving and environmental protection.Small and light volume, built-in lithium battery, easy to charge.Hanging neck is easy to carry and can purify the air in one cubic meter of nose area.No consumables for life, one-time investment to save costs.Actively neutralize and remove PM2.5, smoke, pollen, dust, second-hand smoke and other polluted micro-particulate matter.Release high concentration of negative oxygen ions to make our breathing area more comfortable and fresh air.Fashion accessories with different styles.Specifications:Material: ABSColor: white, grey (optional)Battery: 1 * lithium battery, 380mAh (included)Charging time: 1.5 hoursPower: ＜1WEffective area: 1m³Running time: 15-20 hoursNegative ion concentration: 5 million/c-m³Silent decibels: ≤20dBTotal length: 430mm / 16.9inItem weight: 39g / 1.4ouncePackage size: 205 * 155 * 42mm / 8.1 * 6.1 * 1.7inPackage weight: 118g / 4.2ouncePacking List:1 * Air Purifier1 * USB Cable1 * User Manual