1. Product quality assurance: All products pass strict quality testing to ensure they meet the highest standards. 2. User privacy protection: We are committed to protecting our customers' personal privacy and will not leak or sell user information to third parties. 3. Return and exchange policy: Customers can apply for return or exchange within 7 days after receiving the product. Please refer to the return and exchange policy for specific details. 4. After-sales service commitment: We provide comprehensive after-sales services, including consultation, repair and replacement, to ensure customer satisfaction. 5. Legal Compliance Statement: All business activities comply with relevant laws and regulations to ensure legality and compliance. 6. Terms revision and update: We reserve the right to modify and update the terms at any time, and users will be notified of the updated content in a timely manner. 7. Dispute resolution: Any disputes will be resolved through friendly negotiation. If no agreement can be reached, legal arbitration will be resorted to.