Pros:

• Checks the pollution in the air
• Provides data to get insights about the location you are
• iOS and Android application to connect to the device

Cons:

• Not available yet
• Pricy

I don't know if this product provides that much information that it is worth the money, actually I already know that every big city has air pollution. and this device can not filter the air for me, which would be great! :D