Vape pens are devices that are best for new vape users since these carry the characteristics of being lightweight and discrete. The mechanism of refilling with it is not essentially needed as it attributes the principles wherein the capsules can be plugged directly into the pen. Vape pens work in a way wherein an electrical charge initiates the heating of the chamber, which warms the e-juice until it turns into vapor that is then inhaled through the mouthpiece. Furthermore, these devices offer portable and convenient possibilities and opportunities among the majority of people who prefer to vape outside of the premises of their personal homes.