Breathe cleaner air: This personal air freshener will release more than 6 million negative ions, pushing pollutants away from your personal space, eliminating most smoke, cooking odors, and even PM2.5 air pollutants, thereby improving mood and Sleep.Take it with you: Because this mini air purifier comes with a necklace, 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.Easy to use: easy to operate, just press the simple operation to enjoy the fresh air.Long-lasting: The portable air purifier has a USB charging port that can be charged for 1 hour and can be used for about 8 hours to fresh air.Function: Air purification, smoke and deodorization, dust collection, and elimination of radiation static electricity.Product name: Portable hanging neck negative ion air purifierModel: T10Control method: push buttonFilter type: noneOutput current: less than 30mAOutput power: less than 1WInput: 5V / 0.2ALithium battery capacity: 230mAhWorking principle: negative ionUse environment: personal carryApplicable area: less than 10Air volume of air purifier: 50 cubic meters/hourNoise: 25 (dB)Colour: whiteMaterial: ABSSize: 65.4x36x13.6mmPackage Contents:1 * air purifier1 * lanyard1 * charging cables1 * instruction manualOnly 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.