An electronic cigarette (or e-cigarette), personal vaporizer (PV), or electronic nicotine delivery system (ENDS) is an electronic inhaler meant to simulate and substitute for tobacco smoking. There are many different brands including volcano e cig, Apollo e cig, mistic e cig, and njoy electronic cigarette. It generally utilizes a heating element that vaporizes a liquid solution. Some release nicotine, while some merely release flavored vapor. There are many brands of disposable e-cigs including Njoy, Blue disposable e-cigarettes, Fin e-cigs, and Logic disposable e-cigs. There are reusable options as well. They are often designed to mimic traditional smoking implements, such as cigarettes or cigars, in their use and/or appearance. Personal vaporizers go by many different names including a vaporizer pipe, tobacco vaporizer, nicotine vaporizer, mini vaporizer and pocket vaporizer.