Tattooed Apple Watch monitors reporting errors with its heart rate monitor . Sensor takes risks by measuring light even though the monitor . Dark , solid colors seem to confuse the new device the most . Apple has yet to comment on the problem , despite people responding to Twitter .
Tattooed Apple Watch users reporting problems with its heart rate sensor . Sensor takes readings by measuring light absorption though the skin . Dark , solid tattoos seem to confuse the new device the most . Apple has yet to comment on the problem , despite people taking to Twitter .