Sense FB521BKGB-US Advanced Health Smartwatch: Heart health monitoring tools
For the active American who wants to stay on top of their health without constant phone checks, the Sense Advanced Health smartwatch is your daily wellness partner. While many focus on fitness tracking, this watch offers a unique angle: it helps you manage stress and understand your body’s signals for a balanced lifestyle. The all-day stress detection gives you a real-time score, so you can take a breath when needed—no more guessing how your day is affecting you.
With features like the ECG app and skin temperature trends, you get insights that feel personal. For example, the irregular heart rhythm notification might alert you before you even feel off, giving you peace of mind during workouts. It syncs seamlessly with Alexa for hands-free updates and tracks everything from sleep stages to blood oxygen, making it easy to see your progress over time. Stay connected with on-wrist calls and notifications, all in a slim design that lasts up to 6 days on a single charge.
Features
- Stress management score
- Skin temperature tracking
- ECG app for heart rhythm
- 40+ exercise modes
- 6+ day battery life
- Heart health monitoring tools
General specs
- Brand: Sense
- Model: FB521BKGB-US
- Seller: Joom
- ID: 687f5c63696e9b0133d9dfe8
- GPS: Built-in
- Weight: 52
- Storage: 32
- Battery Life: 10
- Connectivity: Bluetooth, Wi-Fi
- Display Size: 1.43
- Display Type: AMOLED
- Sports Modes: 150
- Standby Time: 30
- Band Material: Silicone
- Case Material: Stainless Steel
- Health Sensors: Heart Rate, SpO2, ECG, Temperature
- Battery Capacity: 305
- OS Compatibility: Android, iOS
- Water Resistance: IP68
- Bluetooth Version: 5.0
- First listed by seller: 11/15/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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