The UWELL CALIBURN Pod Kit System is a finely-crafted vape kit, combining a dual firing mechanism. Aluminum alloy chassis, 520mAh built-in battery and utilizes Uwell’s proprietary. Constructed from sturdy but lightweight aluminum alloy. Within the UWELL is a removable 520mAh rechargeable battery. Designed to allow for charging outside of the device to ensure no downtime for the UWELL when needed.