Need to be gone until Sept 10
This wristband automatically tracks all-day activity, distance, calories burned & sleep. The LED display lights up as you progress toward your goal.
Removable Fitbit Flex tracker
2 Flex wristbands (small and large)
Wireless sync dongle
Sensors & Components
LED display with 5 white indicator lights
Tap twice to see progress against your Main Goal
Tap rapidly for 1-2 seconds to start or stop sleep tracking
Battery and Power
We recommend charging your Fitbit Flex every few days to ensure you are always tracking.
Battery life up to 5 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.
Battery type: Lithium-polymer
Charge time: One to two hours
Radio transceiver: Bluetooth 4.0
Saves 7 days of detailed motion data – minute by minute.
Saves daily totals for past 30 days
Fitbit Flex is sweat, rain and splash proof. However, the device is not swim proof or showerproof. With any wearable device, it’s best for your skin if the band stays dry and clean.
If the band gets wet or if you sweat in it, remove and completely dry the band before putting it back on. Give your wrist a rest by taking the band off every now and then. Learn more.
The Fitbit Flex wristband is made of a flexible, durable elastomer material similar to that used in many sports watches. Flex also has a surgical-grade stainless steel clasp.
Operating temperature: -20° to 45° C
Maximum operating altitude: 9,144 m
Fitbit Flex syncs automatically and wirelessly to computers and 200+ leading iOS, Android and Windows devices using Bluetooth 4.0 wireless technology.
Syncing range: Up to 6.1 m
Syncing to computers requires Internet connection and USB port
Syncing to mobile devices requires Bluetooth and Internet connection
Syncs with Windows Vista and later, Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, and leading Android and Windows devices
3 weeks ago