This wearable air purifier is simple, comfortable to wear that can be hang on the neck, hang in the car, very stylish and suitable to wear anyplace.
It releases more than 6 Million negative ions can effectively remove floating dust, smoke, formaldehyde, PM2.5 and other harmful substances in the air.
Negative ions promote metabolism, activate cells, refreshing and relieve motion sickness.
Very quiet to use, no more worry about noise when you are working or taking a rest. 
 It is easy to operate, press button for two seconds  for on and off.
USB charging, up to 20 hours of long-lasting working time after fully charged for 30 minutes.
 
Single package size: 6X5.5X1.7 cm
Single gross weight:0.160 kg
Package Type:
Selling Units:single item
Net weight: 30g
Weight including packaging accessories: 156g
Product size: 55 * 16mm
Life time: 20~24 hours
Packing size: 10 * 10 * 6.5cm