Can I swim with the case on or do I have to take if off before going in the pool?

Is there a waterproof case for the IPhone 7? Does Apple sell a waterproof case for the IPhone 7? What is the name of the waterproof case for IPhone 7 and where may I purchase it?

Apple iPhone 7 Smart Battery Case

Apple iPhone 7 Smart Battery Case

Product No Longer Available

No Answers have been submitted