Features? Amplified origin Origin 2 can pair with Unione Cartridge and Unione PnM tank, and switch between Unicoil and Uniplus coil smoothly. Leak protection from device to avoid malfunction The gradient on the metallic frame for elegance Built-in Adjustable airflow like RDA Smaller yet more compact device 6 Colors: Black, Gunmetal, SS, Black Red, Sunset Blue, Turquoise Green