Specifications: 1. Size: 118*14mm 2. Weight of single cigarette: 46g 3. Nicotine content for each cartridge: 0.6g 4. Mouthfuls for each cartridge keep: 700 mouthfuls 5. Nicotine content of each cartridge equals traditional cigarette: 20pcs 6. Content of battery: 650mAh 7. Normal working voltage: 3.3~4.2V 8. Full battery can keep for: 700mouthfuls 9. Charge time: 3--4 hours 10. Life of battery: 380 times charger