This compact powerhouse is a universal fit for all 510-threaded devices, ensuring wide compatibility and effortless integration. It boasts a robust 900mAh battery with USB Type-C charging for longevity and convenience. With variable voltage settings, a pre-heat function, and a safety cut-off feature, it's designed to enhance the experience, making it a must-have for your discerning clientele. 900mAh Battery Capacity USB Type-C Charging Technology Variable Voltage Settings 2.6V, 3.2V, 3.8V Pre-heat Setting 15-second Safety Cut Off New Square-shaped Design 510-threaded Connection