What are the specific methods of how to use the waterproof mobile phone bag?

Remind everyone to do a waterproof test before using the mobile phone waterproof bag, put the paper towel into the waterproof bag, seal the seal on the waterproof bag tightly, and press the buckle tightly. After making sure to fasten it, put it in the pool (basin, bucket, etc.), if you have time, you can press it yourself, or find something to press the waterproof bag into the water. After about 5-10 minutes in the water, take out the waterproof bag. If the paper towel is not wet, it means that the waterproof bag is not leaking. Otherwise, don't use it. 1. The waterproof mobile phone bag that has passed the test can be used, and then put the mobile phone, camera and other items into the waterproof mobile phone bag; 　　2, pinch the two pvc waterproof protection strips of the waterproof mobile phone pocket one by one; 　　3. Align the strips and fold them, and then buckle the plastic buckle to seal the bag opening. Isn't it simple?　　The precautions for using the waterproof mobile phone bag are summarized as follows; 　　1. Before using the waterproof mobile phone bag, please do a waterproof test and check whether there is any damage, especially the sealing area and surroundings.　　2. After each use, please check the corners of the mouth and the seal, and avoid strong impact and scratches. Do not use it for a long time at high temperatures.　　 3. After using it in water, if you need to take out the phone, please put the seal down to avoid the residual moisture from entering the waterproof case.　　 4. Suitable for temperatures around 35 degrees, do not use in high temperature.　　5, not suitable for use in intense high-altitude sports.　　 Label: pE waterproof bag