Tattooed Apple Watch users reporting problems with its heart rate sensor . Sensor takes readings by measuring light absorption though the skin . The problem is that it can be affected by sweat, which causes a drop in blood pressure and increases your risk of stroke or other cardiovascular issues.
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 .