- New sensor. New insights. The new blood oxygen sensor is made up of four LED clusters and four photodiodes. Incorporated into the completely redesigned back crystal, this new sensor works in concert with the Blood Oxygen app to determine your blood oxygen level.
- With the ECG app, Apple Watch Series 6 is capable of generating an ECG similar to a single‑lead electrocardiogram.2 It’s a momentous achievement for a wearable device that can provide critical data for doctors and peace of mind for you.
- The Always-On Retina display is now significantly brighter outdoors when your wrist is down. So you can see all the information on your watch face more easily than ever — without having to raise your wrist to wake your watch.
- Getting the right amount of sleep is important for good health. The new Sleep app helps you establish a regular bedtime routine and keep track of your sleep trends night after night. So you can set and achieve your personal sleep goals.