Do not leave unit unattended while charging anytime or overnight, and do not charge it in your vehicle. Overuse of vaping devices may cause overheating, malfunction, and/or burns or injury. Do not use or charge with non-approved devices.Do not leave charging devices plugged into computers, laptops or wall units when not in use. They may burn or explode with improper use. This product contains Nicotine, a chemical known to the state of California to cause birth defects or other reproductive harm. You must be over the legal age in your state to buy or use this product.Nicotine is highly addictive and habit forming. This product is sold purely for recreational purposes - it is not a smoking cessation product and has not been tested as such. If you have a demonstrated allergy or sensitivity to nicotine or any combination of inhalants, consult your physician before using this product. WARNING: This product is intended for use by persons 21 or older, and not by children, women who are pregnant or breast feeding, or persons with or at risk of heart disease, high blood pressure, diabetes, or taking medicine for depression or asthma.