** This brand requires that all warranty claims be handled with them directly.** The Fogpen is a 510 vape cart battery designed to fit in your pocket, providing the look and feel of a pen. The Fogpen works with most 0.5ML and 1.0ML 510 threaded cartridges. 650mah battery USB-C Charging (Cord Not Included) 3 voltage settings Auto draw and button press activation