Powered by dual 18650 batteries, the Smoant Charon Adjustable VV Box MOD supports a maximum 218W output power. With this VV box mod, you can rotate the knob to adjust the voltage of 5 levels from 3.4V-6.7V. The bigger fire button allows for an easy operation. Covered by high quality leather, the Charon Adjustable VV is soft and comfortable in hands. Compact yet functional, the device also features low resistance protection, temperature protection, over-current protection, 10s overuse protectios protection. All these design aim ton and battery rever bring you a pleasant and safe vaping experience!