Product parameters:
• Size of every electronic cigarette stem: 90*20.8*12mm
• Size of every cigarette: 113*20.8*12mm
• Cigarette cartridge size: 44*20*12mm
• Cigarette cartridge weight: 6.6g
• Volume of cartridge: 2.2mL
• Weight of electronic cigarette stem: 18.5g 
• Output voltage: 3.6V (constant-voltage output)
• Quiescent current: ≤5uA
• Battery capacity: 440mAh.
• Input voltage: 5V; Input maximum current: 300mA
• Resistance value of Ceramic heater: 1.1±0.1Ω