Joyetech eGo AIO Pro C Kit, being all-in-one style, attaches the best anti-leaking structure with 4ml e-juice capacity. It's powered by single replaceable 18650 battery. Its large airflow inlet can be achieved directly from both sides. It is simple and convenient to use, and fashionable in look of several mixed colors indicator light. Its simplicity and efficiency make eGo AIO Pro C quite popular and unique.