Dear Thomas Chua, Thank you for your review. Your feedback is important. We carefully checked your review and guarantee our products are quality-checked to match descriptions and function properly. There's no evidence of unseen defects. Your dissatisfaction seems to relate more to unmet expectations or usage scenarios (like resale) rather than product quality. We understand the disappointment, but the core value of the product lies in its functions and quality, which we strictly control. If you face any product issues or questions about its features, please let us know. We are happy to provide support and solutions for a satisfactory experience. Thank you for choosing our products.