SMYLE - Penjamin Variable Voltage 510 Thread Battery and Pen - white glow in the dark

The SMYLE Penjamin is a 510-thread battery designed for use with compatible cartridges. This device features variable voltage settings, typically offering options such as 2.8V, 3.2V, and 3.6V to allow for adjustment of the heating temperature. Technical specifications often include: * Compatibility: Universal 510-thread connection for standard cartridges. * Variable Voltage: Three distinct power levels to control vapor output. * Preheat Function: A setting designed to warm the cartridge before use. * Design: A slim, cylindrical chassis that houses the internal battery and charging components.