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Environmental conditions
Operating temperature 14° to 113° F
(-10° to 45° C)
Non-operating temperature -4° to 14° F
(-20° to -10° C)
113° to 140°F
(45° to 60° C)
Charging temperature 32° to 95° F
(0° to 35° C)
Water resistance Water resistant up to 50 meters
Maximum operating altitude 28,000 feet
(8,534 m)
Learn more
To learn more about your watch, how to track your progress in the Fitbit app, and
how to build healthy habits with Fitbit Premium, visit help.fitbit.com.
Return policy and warranty
Find warranty information and the fitbit.com return policy on our website.
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