Available in five mixed colors, the selective eGo ONE TFTA starter kit offers a solid 2300 mAh battery which will satisfy you on a daily basis. It comes with two optional modes: direct output and constant voltage output. The exclusive TFTA-tank system allows to adjust the airflow and refill with ease by simply rotating or removing the top cap. The sleek top-airflow is built for optimal flavor, packing the new ProCL 0.6ohm head which is capable for other eGo ONE series. It's durable, cylindrical shape perfectly hugs you with convenience and ease of use.