This air fresher creats up to 10millon / cm negative lonsHelps to eliminate PM2.5 air pollutants, smoke, odors, dust,etc.Silent operation and easy to useNo extra filter neededIf you want to have a better immune system in the flu season, stop allergies from bothering you, boost your metabolism, this portable device is a reasonable option.Name: Air Purifier NecklaceWorking voltage: DC5VPower: Less than 1wBattery capacity: 180mAhCharging time:1.5hWorking time:12hcolour: blackMaterial: ABSSize: 50x50x17mmPackage Contents:1 x air purifier1 x usb cable1 x lanyardOnly 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.
