Specifications:

Length: 130mm
Diameter: 14mm
Weight: 36g
E-liquid of each cartridge: 1.6mL
Puffs per full cartridge: 600 puffs
Battery capacity: 650-1,100mAh
Puffs per full 650mAh battery: 900 puffs
Battery lifespan: more than 300 times
Working voltage: 3.3-4.2V
Capacity: 900 + 0.5, 1,100mAh + $0.7
Accessory: battery x 1, customizers with atomizing x 1, USB charger x 1 price for 650mAh