Uwell Caliburn AK2 kit has a compact and ergonomic design. Slammed with incredibly biscuity appeal and packed with its convenient performance, it houses a 520mAh battery and has a 2ml vape juice capacity that is transparent, checking the situation of the coil and the process of e-liquid, ensuring about 600 puffs per device once refilled that make you have a premium experience. Simple as filling your e-liquid by the top filling system, just take the lid off the mouthpiece. Caliburn AK2 maintains 15W output power for stable use, satisfying you the superb flavor and cloud performance.