What is electronic cigarette? According to public data, electronic cigarette is mainly composed of four parts: tobacco oil (including essence, solvent propylene glycol, etc.), heating system, power supply and filter tip. It generates aerosol with specific smell through heating and atomization for smokers to use. In a broad sense, e-cigarettes refer to delivery systems, including various forms such as e-cigarettes, hookah tubes, and hookah pens. In a narrow sense, electronic cigarettes refer to portable electronic cigarettes that have a similar appearance to cigarettes. Flavor List Specification 1. Gummy Bear Parameters: 1. Hits: 5000PUFFS  …