1.Ligth weight, designed to easily attach on baby's stroller, and be able to use in the car ,or in the airplane
2. with the same concept of FAN, airtory air purifier can be used even in open area. It helps create the clean air zone for children.
3. 3 types of filter used ,which filter upto PM0.3 particle ; Pre-Filter, Hepa Filter,Carbon Filter (to remove odour)
4. Built-in battery ,which can be charged with USB cable