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Apple Confirms that Tattoos Block Apple Watch Sensors

Apple has released a new support document about the heart rate sensors in the Apple Watch, confirming what many had suspected: that some tattoos can interfere with the watch’s light-based sensors. If this affects you, is a significant problem, and can’t be solved by moving the watch to your other wrist, Apple recommends connecting the Apple Watch to a Bluetooth-based chest strap monitor instead.

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