The Uwell Caliburn is an ultra slim and compact pod system with a dual firing mechanism. The Uwell Caliburn can be fired by draw activation or via the oversized power button. The Caliburn pod is made specifically for salt nicotine e-liquid and has a pod capacity of 2ml and a resistance of 1.4 ohm. The Caliburn has a built-in 520mAh battery and is charged via micro-USB at the bottom of the device. The Caliburn also has an LED battery indicator below the oversized fire button.