ACOPOWER offers a 30-day money-back guarantee for goods purchased directly from their website. They are confident that you will love your new ACOPOWER product. However, if you are unsatisfied for any reason, simply let them know within 30 days. Once they receive the product and confirm the validity, they will refund the full purchase price. (If the product does not have any quality problems, the shipping cost needs to be borne by the buyer）