[Precautions] 1. Before using this product, please check if it is deformed or damaged. After confirming it's correct, place it in a dry tissue for 5 minutes to test. If no wet marks appear on the tissue, you can then insert it into your phone for normal use. 2. During use, please avoid strong impacts and scratches, and do not use at high temperatures continuously. 3. After use, if you need to remove the phone, please turn the seal downward and let the remaining moisture dry before taking out the phone. 4. This product is recommended for use at 45°C ℃ The following usage