Electronic Cigarette is essentially different from the common cigarette by nature: 1. Free of tar and other carcinogenic substances harmful to human body; 2. Non-flammable, with out the danger of over 4,000 chemical substances produced by the common cigarette, like carbon monoxide; 3. Harmless to others and the environment, without the danger of second-hand smoking 4. Can be used in most No-smoking places, without the danger of fire accident; A Set of MINI includes: one Smoke pole, one special-purpose charge ,one special lithium battery, one power line , 4cigarette cartridges.