Dear customer, P lease know about Fitbit flex 2 upgrade problem before order , here is feedback from our customers: The Flex2 is end of life and it will need to be updated before use. You will need an older version of the Fitbit application to upgrade. Once upgraded it will work on the latest IOS and Fitbit app. I used iPhone 5c (IOS 10.x). Upgrade pebble and it works on iPhone 11. Specifications: Activities Tracked: Total Steps, Daily Workout Memory, Daily Distance, Calories Burned Battery Type: Lithium Polymer Device Material: Silicone Supported OS: Android, IOS,Windows, MAC Wired Connectivity: USB Wireless Technology: Bluetooth Water Resistant: Device is water resistant Operating Temperature: -4° to 113° F (-20° to 45° C) Non-operating Temperature: -22° to 140° F (-30° to 60° C) Small 5.5″–7.1″ 140 mm–180 mm Large 7.1″–8.7″ 180 mm–220 mm Features: Flex tracks steps, distance, calories burned and active minutes. showing progress with LED lights. Device monitors your sleep with Automatic Sleep Detection. Wakes you with a silent or vibrating alarm. Set goals, view progress and earn badges as encouragement. Rain, splash and sweat-proof device ensures durability. Rechargeable battery lasts up to 5 days on a full charge. Bluetooth 4.0 automatically syncs data to your computer or other device. Adjustable band makes the perfect fit easy. Package Include: 1 x Fitbit Flex 2 Tracker 2 x Classic Wristband/strap (size S and L ) 1x Charging cable
60%
Fitbit FB403BK Flex 2 "Waterproof" Activity Tracker Black
$51.03 Original price was: $51.03.$30.61Current price is: $30.61.
Meta:
Features : Rechargeable Battery
Indoor/Outdoor : Indoor/Outdoor
Body Area : Hand
MPN : FB403BK
Brand : Fitbit
For Operating Systems : Windows, iOS, macOS, Android
Measurement System : Decimal & Imperial
Department : Unisex Adults
Sport/Activity : Gym & Training, Swimming, Running & Jogging
Type : Activity Tracker
Language : English, French, German, Italian, Spanish
Sensors : Accelerometer
Color : Black
Power Source : Batteries
Measurement Provided : Speed, Time, Distance, Calories
Battery Life : Up to 5 Days
Material : Stainless Steel, Plastic
Model : Fitbit Flex 2
Indoor/Outdoor : Indoor/Outdoor
Body Area : Hand
MPN : FB403BK
Brand : Fitbit
For Operating Systems : Windows, iOS, macOS, Android
Measurement System : Decimal & Imperial
Department : Unisex Adults
Sport/Activity : Gym & Training, Swimming, Running & Jogging
Type : Activity Tracker
Language : English, French, German, Italian, Spanish
Sensors : Accelerometer
Color : Black
Power Source : Batteries
Measurement Provided : Speed, Time, Distance, Calories
Battery Life : Up to 5 Days
Material : Stainless Steel, Plastic
Model : Fitbit Flex 2
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