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Fitbit Product Experts Alumni are retired members of the Fitbit Product Expert Program. Learn more
I found this:
"The LED lights are safe for skin and are on the visible spectrum, similar to the lights in your home or office. Allergy to visible light is extremely rare. Additionally, the LED lights used are very low power so they will not burn the skin and are programmed to shut down if your device freezes or does not see the right signal."
Taken from: http://help.fitbit.com/articles/en_US/Help_article/Heart-rate-FAQs/
Fitbit Product Experts Alumni are retired members of the Fitbit Product Expert Program. Learn more
Fitbit Product Experts Alumni are retired members of the Fitbit Product Expert Program. Learn more
I found this:
"The LED lights are safe for skin and are on the visible spectrum, similar to the lights in your home or office. Allergy to visible light is extremely rare. Additionally, the LED lights used are very low power so they will not burn the skin and are programmed to shut down if your device freezes or does not see the right signal."
Taken from: http://help.fitbit.com/articles/en_US/Help_article/Heart-rate-FAQs/