Uwell Caliburn GK2 Pod Kit Uwell Caliburn GK2 Kit is the upgraded version of the KOKO PRIME series, which is futuristically and cyberpunk decorated with a visually outstanding exterior, the max output can up to 18W, it is powered by a 690mAh integrated battery, accommodating 2ml vape juice for nic salt and freebase e-liquid, which also offers an e-liquid window at the side to check your e-juice level. The top filling system allows you to refill without pulling out the pod cartridge. You will appreciate its dynamic vibration interaction that it will awaken at different power levels and vibrate between different working states. Compatible with CALIBURN G2 1.2ohm mesh coil, CALIBURN G 0.8ohm mesh coil, and CALIBURN G 1.0ohm coil, it utilizes plug-n-play installation, working hand in hand with the adjustment wheel to fine-tune airflow, then flavor arises spontaneously. Constructed from zinc alloy, it inherits delicacy and compactness.