6 best car chargers

A car charger (AZU) is a simple device that plugs into the cigarette lighter of a running car. Through the central contact, electricity is transmitted to the AZU, and from there via a USB cable

Review of 11 types of the best air ionizers

Ionization is the formation of charged ions from neutral atoms or molecules under the influence of a chemical reaction. There are two types of ions (aeroions): positive (cations) or negative (anions). Both types are necessary