The latest THC Tauren 2-in-1 Smart Mech MOD is such an intelligent device. The THC Tauren integrates the full mechanical MOD and smart protection mech MOD in one unit. With a removable -X-Chip, the THC Tauren is switchable between two modes. The THC Tauren has high compatibility with different types of batteries. You can use 18650 cell for Smart Protection Mode and 18650/20700/21700 for Full Mechanical Mode. The ball fire key brings a smooth hand feel to the vapers too. With 360° of constant contact design, the 510 Hybrid connection adopts high conductivity too.