The Penjamin Cart Pen combines stealth and function in a sleek, dual-purpose device. Designed to look and write like a regular pen, it discreetly houses a high-performance 510 battery for your favorite cartridges. Whether you're at work, school, or on the go, this innovative device keeps your sessions private and hassle-free. With three adjustable voltage settings, a preheat function for optimal performance, and a rechargeable battery, the Penjamin ensures a seamless experience every time. Its premium construction offers durability, while its compact design allows for effortless portability.