1, more vapor 2, healthy style e cigarette 3,CE, ROHS, SGS 4.disposable e cigarette 5. paypal, western union, T/T more vapor One piece unit disposable e cigarette Device Size:120(L)*9.2(D)mmContent of battery:3.7V~280mAhCartridge Liquid content:1mlBattery life:500 puffsAtomizer life:over 500 puffsPuffs per cartridge:500 puffs