Uwell Caliburn KOKO Prime is an upgraded version of the original Uwell Caliburn KOKO, with a series of updates and optimizations in terms of material, performance, and flavor. Equipped with the same compact size as the original Caliburn KOKO, rectangular design, no buttons on the body, and made of lightweight and durable PC+ABS materials. Users can also choose to replace the exterior decorative panels for a personalized experience. Caliburn KOKO Prime has a built-in 690mAh battery with a larger capacity and uses a faster and more convenient Type-C port, which can be fully charged in less than an hour with a 1.6A charging current. Caliburn KOKO Prime also has a three-color LED indicator. You can easily know the working condition and battery levels with an indicator light. Its air switch design allows you to directly vape by inhaling without needing to hold any buttons.