Please contact support@hismithb2b.com or the customer service agent on the website if you need to refund or return your order. For sanitary purposes, All sales are final, When you receive your package, promptly check the items to make sure the items are in working condition. We will only refund or replace defective items. Please return the items in their original packaging within 30 days to our warehouse. If you have any further questions or problems, please email us at support@hismithb2b.com