A successor to the original Wulf UNI, this upgrade delivers enhanced performance with features like 3 voltage levels (2.5V, 3.0V, and 3.5V), preheat functionality, type c charging port and much more. Built with a superior Zinc Alloy chassis and single button system, the Wulf UNI S Adjustable Cartridge Vaporizer delivers a quality build, compact device perfect for oils.