The Twist Slim 2.0 has all the best characteristics of the 1.0 generation, with a bunch of new features. We guarantee this will become your daily driver! A sturdier design provides a heavy-duty feel. USB-C charging port allows you to toke while recharging. Includes Auto-Draw feature which allows the user to hit the pen without pressing the button. The heat Range has been adjusted to 2.0V to 4.0V, allowing it to be better suited to properly heat oil cartridges without burning them.