The Innokin Jem Tank is a simple top-fill style tank that shows off just how easy having an adjustable airflow system can be. If you have a very busy life without much time to fiddle with gadgets, then the Innokin Jem Tank is the perfect match for you. It comes with two 0.6 ohm coils, and that is more than plenty to get you vaping right away. It also comes equipped with an extra glass tank and a pack of O-ring bands for good measure. If you are one who likes to read the instructions, fear not, because this tank comes with a quick start guide that will assist you in getting everything all set up and ready to rock.