Fitbit Sense 2 Advanced Health Smartwatch (FB521)
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Revision as of 03:26, 17 October 2025 by Jeandecian (talk | contribs) (Jeandecian moved page Fitbit Sense 2 Advanced Health Smartwatch FB521 to Fitbit Sense 2 Advanced Health Smartwatch (FB521) without leaving a redirect)
Classification
| Fitbit Sense 2 Advanced Health Smartwatch (FB521) | |
|---|---|
| Classification | |
| Grade | A |
| Calculator version | [[:Category:Calculator v|]] |
| Classification date | |
| 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 |
| Device | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Known hardware tampering | None | [2] | |
| Known vulnerabilities | Rare | [3] | |
| Prior attacks | Rare | [4] | |
| Updatability | Very common | [5] | |
| Category score | 2 | ||
| System | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Authentication with other systems | Full | [6] | |
| Communications | Encrypted with up-to-date encryption | [7] | |
| Storage | Encrypted with up-to-date encryption | [8] | |
| Category score | 1 | ||
| User Authentication | |||
|---|---|---|---|
| Criterion | Value | Proof(s) | Comment |
| Account management | Full | [9] | |
| Authentication | Secure | [10] | |
| Brute-force protection | Exist | [11] | |
| Event logging | Access event logged | [12] | |
| Passwords | Require change after setup with complexity requirements | [13] | |
| Category score | 1 | ||
| Grade | A |
|---|
