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The Apple Watch, heart rate sensors, and wrist tattoos: What you need to know!
Will an arm sleeve tattoo prevent you from wearing the Apple Watch? If it's a solid color, perhaps.
Recently, we've been hearing reports from Twitter and Reddit that the Apple Watch's plethysmograph sensor plays not-so-nicely with wrist or arm sleeve tattoos. The ink pigmentation interferes with the sensor's ability to read your heart rate —*and with it, the Watch's ability to assess whether or not it's maintaining skin contact.
After some brief tests, we're inclined to agree with those early reports —*if your tattoo happens to be a solid, darker color. This is has to do with the way Apple measures your heart rate. Let's break it down.
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