CALIBURN GK2 is an upgraded version of the KOKO PRIME series. With fashionable design and upgraded functions, it provides a better interaction experience and fits a wide range of vapers. Dazzling light and cyberpunk design lead to an infinite imagination of the future. A perfect combination of cyberpunk, steampunk, and futuristic. KOKO-shaped light bars on curved glass shine dazzlingly, making you stand out in the crowd.The device shows different colors at different power levels. It also vibrates to indicate different working states like low voltage, over time, open circuit, and cartridge install.Multiple coil options provide a variety of tastes for you. Compatible with 3 CALIBURN G series’ coils, CALIBURN G2 1.2Ω mesh coil, CALIBURN G 0.8Ω mesh coil, and CALIBURN G 1.0Ω coil. The 1.2Ω mesh coil and 0.8Ω mesh coil are included in the kit.With the adjustment wheel, vapers can get precise airflow.Airflow at your will