. Electronic cigarettes like Blu Cigs are legal to smoke even in public places. Great for smokers who want to smoke in a healthy way or plan to cut down & slowly give up smoking. An electronic cigarette is made up of battery, atomizer, refill cartridge and a LED indicator in the front. The e-cigarette comes in options of both disposable & rechargeable kits. You can look online at e-cig-bargains website for more information about these.