The MR FOG Max Rumble disposable vape offers approximately 900 to 1,000 puffs per device. It comes pre-filled with 3.5 mL of e-liquid containing 5% nicotine salt and is powered by an integrated 650 mAh battery. Designed for convenience, this draw-activated device is disposable, meaning it's non-rechargeable and non-refillable. ?cite?turn0search0?