Made of CPR and featuring Ant smart chip, the adjusts automatically the output according to the coils and delivers the constant output to produce cloudy flavor. Equipped with 750mAh built-in battery and 2.0ml Smoant Battlestar Baby Empty Cartridge, the kit, with its compact size, is compatible with 2 different types of coil ( Smoant Battlestar Baby Coil: 0.6ohm mesh coil and 1.2ohm Ni-80 coil) to meet all your vaping needs. Plus the lanyard as charging cable, you can charge your device anywhere conveniently. Easy to carry and fast to charge, this kit is equipped with LED indicator that shows the accurate information of the device. Highlighted by its airflow design and its leakproof design, it will offer you the wonderful vaping experience.