Uwell Caliburn AK2 Pod System Kit 520mAhUwell 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