A:AnswerI believe it has some waterproof durability, such as light swimming or quick submersion. The warranty is only given to you if you sign up for the Best Buy Membership, which is $180.
A:AnswerIt does not make blood sugar readings on its own. It will display glucose readings from the iPhone app. Using it currently with the Dexcom G7 CGM. Dexcom claims it will soon have a direct to watch app.