The Uwell Caliburn KOKO Pod Kit is a compact and portable system kit which is the sister of the Caliburn. It comes with 520mAh built-in battery and 2ml top-fill pod. It is made of Aluminum Alloy and PCTG, compact and very durable. The coil inside the pod has a resistance of 1.4 ohms and the parallel coil design can fully atomize the e-liquid which will bring you better flavor. It is also compatible with the caliburn pod Cartridge.