The latest Apple Watch can monitor your blood oxygen levels

Apple has unveiled the latest version of the Apple Watch and it comes with a built-in blood oxygen monitor.

The Apple Watch: Series 6 uses both red and infrared light to monitor oxygen saturation – also known as SpO2. This represents the percentage of oxygen that red blood cells carry from the lungs to the rest of the body.

While most people have a blood oxygen level of between 95 and 99%, having an SpO2 level of below 95% doesn’t necessarily result in adverse health conditions. The Blood Oxygen feature can be set up on the user’s iPhone and is part of the Health app.

In order to use it, you need an iPhone 6S or newer that has been updated to the latest version of iOS. Here’s how to take a blood oxygen measurement:

  1. Put the Apple Watch on your wrist so it is tight enough but not uncomfortable
  2. Open up the Blood Oxygen app on your Apple Watch
  3. Make sure you stay still, and your wrist is flat with the Apple Watch facing up
  4. Tap Start on your watch and then keep your arm still for 15 seconds
  5. Be patient, you’ll soon get the results
  6. Simply tap Done and you’re sorted!

This latest move sees Apple continue to shore up its place in the almost $33bn wearable tech market. A focus on health and fitness has also led to Apple adding a feature similar to an electrocardiogram – more commonly known as a heartrate monitor.

A new Sleep feature has also been added, one of the many new devices and apps that help you get a better night’s sleep. Apple also updated its fitness tracker to work with a range of workouts, from yoga to swimming, to measure performance more precisely.

The company also released the Apple Watch SE, a streamlined and more affordable line that comes in a variety of colours.

Jeff Williams, Apple CEO, said: “We’re excited to offer another great option to help customers stay connected, be more active, and keep an eye on their health.”

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