vape pen, also known as a vaporizer pen or vape pen, is a handheld device that allows users to vaporize and inhale substances such as e-liquids, oils, or dry herbs. It typically consists of a battery, a heating element, and a cartridge or chamber to hold the substance being vaporized. Vape pens are often used as an alternative to traditional smoking methods, and they come in a variety of shapes, sizes, and designs.