We have a simple and straightforward refund policy designed to provide a good customer experience. If the customer needs a refund due to the problem of the product itself, just contact us within 14 days after receipt, we will provide detailed return process and guidance. All returns should be kept in the original packaging and unused state of the product. We respect users' privacy and follow strict data processing and protection procedures to prevent any form of fraud. We will complete the refund within 7 working days after processing the return request, and continue to optimize and improve our customer service. In addition, we encourage customers to maintain open communication when using the product to ensure that any problems are resolved in a timely manner and meet our legal compliance requirements.