Fitbit Sense 2
Find the help you need
Popular topics
Technical specifications
Operating temperature (ºC)
-10° to 45°C
Body
Wristband size (mm)
Small: 130-180mm circumfrence
Large: 165-220mm circumfrence
Large: 165-220mm circumfrence
Dimensions (mm)
12.3x40.5x40.5 (HxWxD)
Weight (g)
20
Battery
Charge time (hours)
2 hours
Battery life
Up to 6 days
Battery type
Lithium-polymer
Charge rate
12 minutes charging = 1 day of battery life
Connectivity
Location services
via GLONASS
via GPS
via GPS
NFC enabled
Yes
Wi-Fi
Yes
Bluetooth
Yes - 5.0
Display
Touch screen
Yes
Display type
AMOLED
Screen size (inches)
1.58
Screen resolution
336x336
Sensors
Optical heart rate sensor
Yes
Accelerometer
Yes
Gyroscope
Yes
Ambient light sensor
Yes
Blood oxygen levels
Yes
Temperature
Yes
Altimeter
Yes
Pedometer
Yes
Sleep tracking
Yes
Exercise tracking
Yes
Motion sensor
Yes
Memory
Hard drive capacity
4GB
Data Memory
7 days of detailed motion data
30 days of daily totals
30 days of daily totals
Features
Built-in microphone
Yes
Water resistant
Up to 50m
Motor
Vibration motor
Clock
Yes
Warranty
Device warranty
24 months
Compatibility
Compatibility
Android OS 10 or higher
iOS 15 or higher
iOS 15 or higher
Sound
Built-in speaker
Yes
Function
Appliance features
NFC payment enabled
Multipurpose electrical sensors compatible with ECG app and EDA app
Multipurpose electrical sensors compatible with ECG app and EDA app
Sound
Volume limit (dB)
75dB SPL @10cm
More Fitbit support
Visit Fitbit's support pagesDid you find this page useful?
Help us improve our support pages.