Fitbit Inspire Fitness Tracker (Black)

Model #FB412BKBK

Fitbit Warranty
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Operating System Proprietary OS
Vibration Motor Yes
Sensors Accelerometer
OS Compatibility Android 5.0 or Later
Windows 10

Packaging Info

Package Weight 0.215 lb
Box Dimensions (LxWxH) 8.9 x 4 x 1.25"


Memory Retention 7 Days (Motion Data)
30 Days (Daily Totals)


Operating Temperature 14 to 113°F / -10 to 45°C
Water Resistance Depth 164.04' / 50 m
Operating Altitude 28,000' / 8534 m
Splash Proof Yes


Display Type OLED
Touchscreen Yes


Wireless Connectivity Bluetooth 4.0 LE


Charging Time 2 Hours
Rechargeable Battery Chemistry Lithium-Ion Polymer
Estimated Battery Life 5 Days (Activity Mode)


Band Circumference 5.5 to 7.1" / 14 to 18 cm
7.1 to 8.7" / 18 to 22.1 cm
Band Material Flexible Elastomer
Expert Reviews
Techradar uk.32817471
25 April 2019

It isn't inspired, but the Inspire does the job if you want a step counter with style, and not much more.

  • +

    Easy to use, Petite, Attractive design

  • -

    Very limited features, Battery life could be better, Not good for actual exercise tracking

Pocket lint.32824928
1 April 2019

The Fitbit Inspire is a slim, stylish and waterproof activity tracker that offers a great performance in the features it offers, whilst also offering numerous accessories to change the look.

  • +

    Slim and subtle design, Lightweight and comfortable to wear, Decent basic activity tracking, Waterproof to 50m, Smartphone notifications, Fitbit software platform is great

  • -

    Lack of features compared to competitors, No swim-tracking despite waterproofing, Colour options mean coloured screen (some won't like this - but we do), It's expensive

Tech advisor.34947295
28 March 2019

If you can live without advanced features - GPS, altimeter, HR monitor - then the Fitbit Inspire is the fitness tracker for you. Our review evaluates its design, feature set, specs and value for money

Trusted reviews.33834858
19 March 2019

Launched alongside the Fitbit Inspire HR, the Fitbit Inspire does away with the heart rate monitor to hit a lower price point.

  • +

    Bright touchscreen OLED, Clean and intuitive Fitbit app, Water-resistant, Good battery life

  • -

    No HRM, No Connected GPS, Stiff strap, Not significantly cheaper than the Inspire HR

User Reviews
29 May 2019

The color is great and all the features are excellent. It is light and comfortable to wear. Besides wanting to track fitness, I have been experiencing difficulty with my sleeping habits the last few months, so I bought mine in hopes I could work on my sleep.

Kohl s.35052991
6 July 2019

This is a perfect fitness tracker for people who don’t need the extras of a full smart watch. I like the choice of clock faces, the auto-recognition of many common exercises and sleep tracking. It also will vibrate to notify if I haven’t moved at least 250 steps each hour.

2 weeks ago

love it i had to do it thru the internet not my phone or ipad bc app makes you use location services i never use location services and it dosnet need to know where i am to do what i want so online works great and is just what i want battery stays charged for like 3 days or so love it

19 June 2019

My Alta could no longer hold a charge so this is my second Fitbit. This model is so lightweight - I often forget it's on my wrist! The functionality is really great on it.My only two negatives are: (1) I can't alter my screen info - on the Alta I was able to remove things that I didn't care to see...

Kohl s.35052991
8 May 2019

This one replaced my Fibit Flex 2. I am glad that this tracker provides a lot of information (steps, calories burned, timer and stop watch) at your wrist; no need to have it connected to a PC or mobile phone for such information. You only need to connect it for sleep tracking info.

25 July 2019

I don't know why I waited so long. I used to go for long distance runs with my ipod and the ear plugs with that dangling 3 ft chord...what a distraction, but for the joy of the longer have that problem with this sleek mile tracker, etc...

8 July 2019

This is a great fit bit. I can't wear the any fit bit that monitors your heart rate. This however, gives me all I need, ie A watch, tracks my steps, total calories used, activity minutes, and even has a stop watch.

Kohl s.35052991
24 April 2019

Not sure why one reviewer said battery doesn’t last, because I only need to charge it 1x/5 days, just like it says. I also bought the clip holder to clip it on my pocket when I don’t want to wear watch band. I was pleasantly surprised to find out it reads off my text messages from my phone too!

23 June 2019

The watch fits great, works well but I didn't read enough info. It doesn't track heart rate or allow phone notifications. So I'm returning for another model.

4 weeks ago

The watch itself works well, it does show you txt and calls even with an iPhone which my Fitbit Versa did not. My only complaint is the charger, it’s so so short that I have to set the watch on top of it to charge, and it doesn’t click into anything so it’s difficult.

Product Highlights
  • Up to 5 Days of Battery Life
  • All-Day Activity Tracking
  • OLED Touchscreen Display
  • Water Resistant up to 50m
  • Automatically Recognizes Exercises
  • Sleep Tracking + Silent Alarms
  • Female Health Tracking
  • Call / Text / App Notifications
  • Wireless Synching via Bluetooth LE
  • iOS / Android / Windows 10 Compatible
Average Expert Score
Average User Score
In The Box
  • Fitbit Inspire Fitness Tracker (Black)
  • Small Classic Wrist Band
  • Large Classic Wrist Band
  • Charging Cable
  • Limited 1-Year Warranty
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