Caliburn K Prime and Caliburn AK2 are two small and light electronic cigarette products. They are the same as Uwell's and have similar appearance. Let's take a look at their functions.

1.Uwell KOKO Prime Kit
Uwell KOKO Prime Kit is a top refilling pod system kit that is known as an upgraded version of Uwell KOKO. Equipped with the same compact form factor as the original Caliburn Koko, the Koko Prime is powered by a 690mAh built-in battery with a 15W max output. It is compatible with Caliburn G pod and coils. There are 2 types of coil: UN2 Meshed-H 0.8ohm Coil(Slod Separately) and FeCrAl 1.0ohm Coil9(Pre-installed). 

2.Uwell Caliburn AK2 kit 
Uwell Caliburn AK2 kit has a compact and ergonomic design. It houses a 520mAh battery and has a 2ml vape juice capacity, ensuring about 600 puffs per device that make you have a premium experience. This pod which allows being refilled is compatible with a 0.9ohm UN2 Meshed-H coil that is easy to replace and offers an excellent vape experience. When it comes to its distinguishably zesty flavors, it has a lot to choose, which extends the selection of units.

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Caliburn A2
Caliburn A2S
Caliburn Pod