Disposable device requires no refilling Pre-Filled: 14mL Internal Rechargeable Battery: 650mAh (micro USB-C cable not included) Pre-charged, simply puff on the device to activate 5% (50mg/mL) tobacco-derived nicotine inside for an accurate cigarette-style nicotine experience Up to 6000 puffs per disposable, approximately equivalent to 8 packs of cigarettes (20 cigarettes per pack) Compact, light, portable, and discreet Dispose pen when the battery is dead (no longer lights up during puffs) or when the flavor is gone