• 1. Minimalist design, portable and compact • 2. Powered by the latest Pro-focus 4.0 tech • 3. 1100mAh battery with 35W max • 4. Airflow adjustment to tailor experience • 5. Fit for Caliburn GPP/G3 Pod Cartridge • 6. U² tech to enhance the leak-resistant function • 7. 3ml capacity, easy refilling system