Hanging Neck Air Purifier, Stylish Negative Ion Air Purifier Black

1. Breathe cleaner air: This personal air freshener will release more than 19.9 million negative ions, push pollutants away from your personal space, eliminate most smoke, cooking odors and even PM2.5 air pollutants, thereby improving Emotions and sleep.2. Carry it with you: Since this mini air purifier comes with a lanyard, it can be worn around the neck. During the journey, in public places or other places with poor air quality, wearing such clothes can create fresh air.3. No noise: using advanced fans, the sound is very quiet during operation, and will not disturb you during work or rest.4. Easy to use: easy to operate, you can enjoy fresh air with a simple operation.5. Long lasting: The portable air purifier has a USB charging port, which can be charged for 1 hour and can be used for about 6 hours to ensure fresh airProduct name: hanging neck air purifierWorking voltage: 3.7VInput power: Less than 1WCharging method: USBBattery capacity: 1800 mAhNegative ion concentration: 19.9 million pieces/cm3Noise: 30 dBApplicable area: less than 10Filter type: separate filterWorking principle: negative ionAir purifier air volume: 50 cubic meters/hourColour:blackMaterial:ABSSize:5.6x2.3x1.9cmPackage Contents:2x air purifier2x lanyard2x charging cablesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.