Series 4 -
A slimmer profile that sits closer to the wrist.
Uses an improved accelerometer and gyroscope to detect hard falls. Series 4
Over 30% more screen area with rounded corners. A slimmer profile that sits closer to the wrist
Alerts for low heart rate, high heart rate, and irregular rhythms (AFib). 🚀 Re-engineered Performance high heart rate
Internals were overhauled to match the ambitious new software.