When the product is received, please test the waterproof bag for leaks at the first time.
Put 2 sheets of paper into the waterproof bag. Pack a bucket of water in a bucket and put it in the water for half an hour. It is forbidden to test the phone without leaking before you can put it on the phone. Must remember
Name: Airbag buoyancy mobile phone waterproof bag
Weight: about 42g