Pros
- Functions in athletics, health, and appearance. Waterproofing and adjustable straps (a huge variety of their choice, including through Ali). Wearable on the arm and comfortable, they don't disrupt sleep.
Cons
- There is no application for initially analyzing the quality of sleep, but this isn't even a disadvantage because we can easily get rid of it. The screen can scratch, which is one of the disadvantages. Also, it is eliminated by covers, glasses, etc.
