... puffs (900mAh); 1000 puffs (1100mAh)Charging time 2-4hoursBattery life Over 300timesOperating Voltage 3.3V-4.2V OEM/ODM Yes Why the e-cigarette ... of second-hand smoking.About usWe are professional e-cigarette supplier,We specialized in the development, manufacture, marketing ... , export and after-sales service of electronic cigarettes, e-cigarette accessories and related products. So we can offer the ...