Because the product is a fragile commodity, there is no warranty period within 7 days after the customer receives the goods, if it is not the quality of the product itself. If there is a quality problem after the customer receives the goods, he needs to take a photo and send it to the mall customer service, and the manufacturer will identify it and replace it free of charge after confirming the problem. Returns and exchanges due to selection errors will not be accepted, please confirm the specifications and models before purchasing.