how to check oxygen on apple watch

The Apple Watch Series 7 also takes some blood oxygen measurements in the background and this is set up when the Apple Watch is set up. Some features applications and services may not be available in all regions or all languages.

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If your iPhone isnt nearby your Apple Watch needs to be connected to a known Wi-Fi network and you must set up Wi-Fi Calling.

. The blood oxygen sensor is built into the back of the Apple Watch. Apple Watch Series 7 requires an iPhone 6s or later with iOS 15 or later. Apple Watch Series 7 Apple Watch SE and Apple Watch Series 3 have a water-resistance rating of 50 metres under ISO standard 228102010. It uses four clusters of red green and infrared LED lights and four.

Apple Watch Series 6 GPS Cellular can use a cellular connection for Emergency SOS. Apple Watch Series 7 Apple Watch SE and Apple Watch Series 3 require an iPhone 6s or later with iOS 14 or later. This means that they may be used for shallow-water activities like swimming in a pool or ocean. To use Emergency SOS on an Apple Watch without cellular your iPhone needs to be nearby.

These settings are available in the Health app on the iPhone. Features are subject to change.

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