Dear customer,

Thank you for choosing Eonfine products. We provide 6 months for the quality warranty of the battery. If any other damage parts happen to the products, please contact us for further help.

Eonfine products is not suitable to be used by: person under the age of 18; persons who are allergic sensitive to nicotine; pregnant or breast-feeding women; any person with an relevant risk of, preexisting condition of, any medical conditions, but not limited to, unstable heart condition , severe hypertension or diabetes. Keep eonfine products away from children.