Uwell Caliburn KOKO Vape Kit - Pod System Uwell Caliburn KOKO Pod System All-in-One Starter Kit The Uwell Caliburn KOKO Kit features a ultra lightweight and compact refillable pod/cartridge vape system designed for ease of use and portability. The Caliburn KOKO is automatically draw activated with no buttons required. The Caliburn KOKO features a box design with a lightweight aluminum alloy construction that fits easily in the palm of your hand. The Caliburn KOKO utilizes a refillable pod/cartridge system that may be filled from the top with your favorite e-Liquid. The Caliburn KOKO is also compatible with the original Uwell Caliburn cartridges as well. The Caliburn KOKO also includes a convenient lanyard attachment as well.