Fitbit Sense Black

Model Number: FB512BKBK

Was 329Save 30

Fitbit Sense is the advanced health smartwatch that helps you tune in to your body with tools for stress management, heart health, SpO2, skin temperature & more.

24/7 Heart Rate Tracking with PurePulse® 2.0
With an all-new multipath sensor, Sense delivers PurePulse 2.0—Fitbit’s 24/7 continuous heart rate tracking for exercise, sleep tracking and everything in between.

Smart Wake
Set your Fitbit alarm to wake you with a quiet vibration during a lighter sleep stage to help you feel more refreshed.

Sleep Mode
Snooze uninterrupted by using sleep mode to mute smartphone notifications and stop your screen from turning on at night. Set a schedule to turn sleep mode on automatically

Built-In GPS
During outdoor runs, rides, hikes and more, use built-in GPS to see your pace & distance without your phone, then see a map of your workout route in the Fitbit app.

20+ Exercise Modes + SmartTrack
Choose from up to 20+ exercise modes to get real-time stats during your workouts—or let SmartTrack automatically recognise and record your exercises.

Call, Text & App Notifications
Get notifications for calls, texts, calendar events and apps like Gmail and Facebook—plus send quick replies and voice replies right from your wrist. Available when phone is nearby. Replies on Android only.

Fast Charging
If you’re always on the move, fuel up with fast charging that gives your smartwatch a full day’s charge in just 12 minutes.

Fitbit ECG App
With a compatible ECG app right on your wrist, assess your heart for atrial fibrillation—a heart rhythm irregularity—and share the results with your doctor. The Fitbit ECG app is only available in select countries. Not intended for use by people under 22 years old.

On-Wrist Skin Temperature Sensor
Sense tracks your skin temperature each night to show how it varies from your personal baseline, so you can be aware of your trends over time

Product Review Video
Key Features
  • 6+ Days Battery Life - Get a week of battery life without stopping to charge, along with fast charging-fuel for a full day in just 12minutes.
  • Voice Assistant - Use Google Assistant or Amazon Alexa Built-in to ask your Fitbit smartwatch questions, set alarms check the weather and more.
  • 20+ Goal Based Exercises choose from activity modes to get real-time stats during workouts or let SmartTrack automatically recognize and record them for you.
  • Smart in Every way - Take Bluetooth calls, get text & app notifications and more - plus Android users send quick replies and voice replies.
  • Fitbit Pay - Tap to pay at any retail store or transit station that accepts contactless payments - no phones or wallet necessary.
SKU: FB512BKBK Category:

Product Specifications

Maximium Battey Life

Battery life up to 6 day

Water Resistance

Water resistant to 50 meters

Smartphone Notifications


Fitness & Tracking

Activity tracking, Calories, Distance, Heart rate, Sleep, Steps



Screen Size


Phone connectivity


OS Compatibility

Android, iOS


Altimeter, Ambient light sensor, Gyroscope, Multipurpose electrical sensors, Optical heart rate monitor, Skin temperature sensor, Vibration motor


Carbon/Graphite Stainless Steel



Manufacturer Warranty

1 Year