The LVE Sonnet is the first cartridge device with a DNA chip in it! It is powered by Evolv, and is the smartest cartridge battery mod on the market. No more burnt hits, incompatible cartridges, or short battery life! This unique cartridge mod uses brand new patented technology that reads and scans any cartridge inserted and sets everything PERFECTLY, ensuring a harmonious session every single time. The LVE Sonnet is equipped with replay technology, allowing you to recreate the heating profile of your last puff every single time.