Key Features
Up to 6 Days of Battery Life
Built-In GPS Tracking
Heart Rate Monitoring
On-Wrist Skin Temperature Sensor
Built-In AMOLED Display
Stress Detection & Tracking
Swimproof Construction
Female Health Tracking
SmartTrack Automatic Activity Detection
Call, Text & App Notifications
Fitbit Sense Specs
General
Watch Operating System
Proprietary OS
Compatible Operating System
iOS 12.2 and later
Android 7.0 and later
Sensors
Accelerometer, Altimeter, Gyroscope, Heart Rate, Light Sensor
Activity Tracker
Yes
Microphone
Yes
Built-In Speaker
Yes
Vibration
Yes
Connectivity
Connectivity
Bluetooth, Wi-Fi, NFC
Wireless Range
30' / 9.1 m
Bluetooth Protocol
Bluetooth LE
Bluetooth
5.0
Wi-Fi Standard
Wi-Fi 4 (802.11n)
GPS
Yes, with GLONASS
Display
Dial Shape
Rectangle
Dial Type
Digital
Display Technology
OLED
Battery
Battery Type
Lithium-ion polymer
Battery Life
Normal Use: Up to 6 days
Physical
Watch Crystal Material
Corning Gorilla Glass 3
Case Materials
Aluminum
Water Rating
5 ATM
Band Material
Silicone
Wrist Size
Fits wrists 5.5 to 8.7" / 14 to 22.1 cm
Packaging Info
Package Weight
0.46 lb
Box Dimensions (LxWxH)
6.2 x 3.6 x 2.6"