1, best quality with competitive price 2,battery:650mah 3,CE, ROHS, SGS 4.LEA e cigarette 5.paypal, western union, T/T e cigarette LEA Device Size:150(L)*13.5(D)mmContent of battery:3.7V~650mahCharging time:2-4hoursPuffs per battery:800-1000puffs cartridge Liquid content:1.2mlBattery life:300times chargetank atomizer life:60000 mouthfulsPuffs per cartridge:180-200 puffs