The Uwell CALIBURN A3 Pod Kit is the newest member of the Caliburn family and it maintains the same high quality as its predecessor, the Caliburn A2. The kit features ignition channels for air activation and button firing that make sure the vaping process is precisely controlled. A 520-mAh built-in battery adopts such a fast charging design that it merely requires 15 minutes of charging to get full. Besides, a large e-liquid checking window on the top allows transparent visual observation, and a bottom interactive light indicates battery level, charging, and other working states.