Variable voltage e cigarette 1No Ash,more smog,smooth flow 2Manual ... ,NO Ash 3650 or 900mA battery 4CE,RoHS,FCC,FDA, Variable voltage e cigarette Drgo-T1.No Ash,more smog,smooth ... burnt smell,No oil flow out 3.The cartridge has a cover set,clean and sanitary4.If you keep sucking in ...