| Fitbit Sense 2 Advanced Health Smartwatch (FB521)
|
| Classification
|
| Grade
|
A
|
| Calculator version
|
1
|
| Classification date
|
2025-10-16
|
| Information
|
| Name
|
Fitbit Sense 2 Advanced Health & Fitness Smartwatch
|
| Brand by Parent
|
Fitbit by Google LLC
|
| Generation
|
2
|
| Model(s)
|
FB521
|
| Release date
|
2022-09-10
|
| Type/Category
|
Health & Fitness Smartwatch
|
| Website
|
[1]
|
| Status
|
In sale
|
| More
|
| Dimensions
|
40.5 x 40.5 x 12.3mm
|
| Mass
|
37.6g (without band)
|
| Operating system
|
Fitbit OS
|
| Companion App
|
Fitbit App
|
| CPU
|
ARM Cortex-M4 processor
|
| GPU
|
|
| Memory
|
4GB storage
|
| Storage
|
4GB internal storage
|
| Battery
|
Lithium polymer, 6+ days battery life
|
| Power
|
Proprietary charging cable
|
| Charging
|
Magnetic charging doc
|
| Display
|
1.58" AMOLED always-on display
|
| Camera
|
None
|
| Sound
|
Built-in speaker and microphone
|
| Connectivity
|
Wi-Fi 802.11 b/g/n, Bluetooth 5.0, GPS/GLONASS
|
