Excellent hunting @johntor, these products in the not too distant future will be essential in our lives due to environmental pollution. Here I will leave my personal opinion about this product.

Pros:

• It has improved in all possible aspects since its latest version (Design, functionality, performance).
• In addition to that now has a higher index of air purification makes fewer noises and have also added extra features such as analytically load our mobile devices.
• It comes available in different colors, and if you support the project right now you will get premium versions.

Cons:

• None for this hunt.