Petite yet powerful, eGo ONE is the One device for everyone. The eGo One allows for big clouds while using a small device. The eGo One fires as low as 0.5 ohms while firing at a consistent 4.2V. It uses a 510 threaded connector and comes with a 18mm diameter atomizer. This atomizer comes with two different ohm coils (1.0 and 0.5) to give sub-ohming to a new level. It also has a side pass through charger so that you may stand it up while charging.