***General Introdution: The FS812 is the most used electronic cigarette in the whole market up to now. It has the most classic and popular design, size and technology. Its quality keeps upgrading and now it is one of the best E-cigs in the similar size E-cig field. It has two parts design: 1pc battery with 1pc cartomizer (disposable cartridge). FARSEE uses the best battery core and the most strict quality control on other components to guarantee the best e-cig of FS812 getting into the market.