1)Changeable atomizer ego c, 2)Improved generation ego-t 3)OEM is ... eGo and eGo-T.It is consisted of atomizer head,atomizer cover and atomizer base, If the atomizer ... is broken, only need change the atomizer head.Makes removel and cleaning of the atomizer quick, simple ... Each Tank cartridge lasts 280-320puffs Recommended charging time: 2.5hours for 650mAh battery 3.0hours for 900mAh battery ...