CALIBURN GK2 is an upgraded version of the KOKO PRIME series. It is a perfect combination of cyberpunk, steampunk, and futuristic. KOKO-shaped light bars on curved glass shine dazzlingly. Functions of light and vibration provide new ways to communicate with vapers. The light shines different colors at different power levels. And the device vibrates in various states. Through the two designs, vapers will have a better interactive experience. Its cartridge has a fine-tuning the airflow wheel at the bottom, and is compatible with 3 CALIBURN G series’ coils(0.8/1.0/1.2ohm). With only 45.2g of total weight and the included lanyard, CALIBURN GK2 is super easy to carry around. It can be a good decoration for your daily outfit.