eRoll MAC Simple Kit by Joyetech is a compact and portable system kit. It comes with 180mAh built-in battery and 0.55ml E-juice capacity. The 1.5ohm ceramic integrated coil will bring you smooth flavors. It can be used with nic-salts e-juice. It supports 3.7V constant output with 11W max power. Get the Joyetech eRoll MAC Simple Kit to enjoy an outstanding vaping experience with smooth flavors. Available in 3 colors.