EC97F usb aluminium box e cigarette Specification: Size(Dia.*Length) 8.5mm X 108mm Battery Capacity 180mah Battery Charging Cycles 200 times Puffs of each cartridge 350 puffs Each cartridge is equivalent to 2.5 packs of real cigarettes   Charge volatge and work voltage(V) 110-220/3.3-4.2 Each charger time The first time 8H, then 1.5~3h    Cartridge color available White Certificates FDA, CE, ROHS, FCC, SGS Accessory: Battery*1pc, Atomizer*1pc, USB charger*1pc, Cartridge*4pc, Instruction Manual*1pc Packing: Dimension/Set: 9.1 X 5.9 X 2.7cm Weight/set: 0.075kg QTY: 192pcs/carton N.W: 16.5KG G.W: 17.5KG MEAS: 51.5 X 25.8 X 32.5 cm Strongpoint: Elegent and and protable, suit for business men