Uwell Caliburn AK2 Pod Kit, the 2nd generation of Caliburn KOKO, features its appearance & shape which is cute as a biscuit so that you can use single hand to top-up. It uses the previous Caliburn A2 Cartridge which adopts top filling system & visible window. Built-in FeCrAI UN2 Meshed-H 0.9 Ω Coil in the Cartridge can provide you authentic flavor. Moreover, the device uses 520mAh built-in battery and supports simply direct vaping. Features: Caliburn A2 Cartridge, top filling system, with visible window FeCrAI UN2 Meshed-H 0.9 Ω Coil,to provide authentic flavor 520mAh built-in battery, support direct draw Cute as a biscuit, single handed to top-up Specifications Size: 43 x 12 x 69mm Capacity: 2ml Resistance: 0.9Ω Battery: 520mAh Color: Neon Orange, Turquoise Blue, Classic Black, Graphite Gray Includes 1 x Uwell Caliburn AK2 Pod Kit 1 x UN2 Meshed-H 0.9Ω Caliburn A2 Refillable Pod (Pre-installed) 1 x UN2 Meshed-H 0.9Ω Caliburn A2 Refillable Pod (Spare) 1 x Silicone Lanyard 1 x User's Manual