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³Battery life varies; click here for more info.
⁴Temperature sensing is not intended for medical use.
⁵Sleep apnoea notifications are intended to detect signs of moderate to severe sleep apnoea for people aged 18 years or older. The feature is not intended for diagnosing, treating or managing sleep apnoea. Consult a medical practitioner if you have symptoms of sleep apnoea or breathing disturbances.
⁶Irregular rhythm notification is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation. Consult a doctor if atrial fibrillation is detected or if you have symptoms of a heart attack, stroke or other cardiovascular conditions.
⁷Tests conducted using Apple Watch SE 3 and Apple Watch SE 2, With a Magnetic Fast Charger and 20W USB-C Power Adapter. Charge times vary.
⁸Requires an Apple Intelligence–enabled iPhone and Bluetooth headphones. Apple Intelligence is in beta. Some features may not be available in all regions/languages. Click here for more info.
⁹Emergency SOS requires a mobile network connection or Wi-Fi calling. You can use cellular models of Apple Watch to make an emergency call provided that a mobile network is available. Click here and here for more info.