The B&W disposables are rated for 20k puffs, and come with an 800 mAh battery, dual parallel mesh coils, 4x adjustable airflow settings, and 17 flavors from which to choose.Practical Recharging: Geared up with a rechargeable 400mAh battery and USB-C charging abilities, the unit makes sure ease and adaptability for end users on the move.Compact Batt