The Wulf Micro by Wulf Mods is an innovative design that promises the allure of cutting edge technology and performance. In its entirety, the unit stands at a pocket-sized two inches in height and one inch in width. Within the kit, there are all components needed for a complete session. The single button system is how each of the devices' functions are performed. Its output voltage can reach any of three voltage options, 3.4V, 3.7V, and 4V. This allow users to customize each session.