Apple Watch Ultra 4 review: The health upgrade that finally eases battery anxiety

The ideal Ultra buyer, to my mind, is the on-the-move professional, perhaps middle-aged, who wants to stay on top of their health.At every Apple event I attend, the Apple Watch is the product I am most excited about. As a diabetic, I have come to rely on this gadget over the past decade; it has become an inseparable part of how I manage my chronic condition.