1. Breathe cleaner air: This personal air freshener will release more than 10 million negative ions, remove pollutants from your personal space, eliminate most of the smoke, cooking odors and even PM2.5 air pollutants, thereby improving mood And sleep.2. Take it with you: Because 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 this kind of clothing can create a fresh air area.3. Long-lasting: The portable air purifier has a USB charging port that can be charged compatible with 1.5 hour and can be used compatible with about 12 hours to ensure fresh air4. Silent operation, No need to replace consumables, suitable compatible with various scenarios, purifying the surrounding environment anytime, anywhere5. Easy to use: easy to operate, just press the simple operation to enjoy the fresh air.Product name: portable hanging neck air purifierRated voltage: DC5V/1.0ACurrent: 20MABattery capacity: 150mAhApplicable area: less than 10Control method: buttonApplicable people: especially suitable compatible with children, the elderly, pregnant women and those who are allergic to pollen and peculiar smellcolour: black + whiteMaterial: ABSSize: 50x50x17mmPackage Contents:1 x black Air purifier (including lanyard)1 x white Air purifier (including lanyard)2 x charging cableOnly 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.