User's Manual

47
Wristband size
Wristband sizes are shown below. Note that accessory wristbands sold separately
may vary slightly.
Small
wristband
Fits a wrist between 5.5 - 7.1 inches (140 - 180 mm) in circumference
Large
wristband
Fits a wrist between 7.1 - 8.7 inches (180 - 220 mm) in circumference
Environmental conditions
Operating Temperature
14° to 113° F
(-10° to 45° C)
Non-operating Temperature
14° to 140° F
(-10 to -60° C)
Water Resistance
Water Resistant to 50M & tracks laps,
duration and calories burned during swim
workouts.
Maximum Operating Altitude
30,000 feet
(9,144 m)
Learn more
To learn more about your watch and dashboard, visit help.fitbit.com.
Return policy and warranty
Warranty information and the fitbit.com return policy can be found at
fitbit.com/legal/returns-and-warranty.