¹ The ECG app and irregular rhythm notification require the latest versions of watchOS and iOS, and are not intended for use by people under 22 years old. The ECG app is available on Apple Watch Series 4 or later (not including Apple Watch SE). The irregular rhythm notification is not designed for people who have been previously diagnosed with Afib.

² Blood Oxygen app measurements are not intended for medical use, including self-diagnosis or consultation with a doctor, and are only designed for general fitness and wellness purposes.

³ The temperature sensing feature is not a medical device and is not intended for use in medical diagnosis, treatment or for any other medical purpose.

⁴ The Cycle Tracking app is not intended for use in medical diagnosis, treatment, or any other medical purpose, including as a form of birth control or to support conception.