Fitbit 6514034 Advanced Health and Fitness Smartwatch: All-day stress detection with cEDA
Let's talk about the Fitbit Sense 2—because calling it just a smartwatch feels like calling a Swiss Army knife just a knife. This little powerhouse is your round-the-clock health guru, stress buster, and fitness coach all rolled into one sleek package. Ever wondered why you're feeling off? Its all-day stress detection (thanks to cEDA tech) and daily Stress Management Score might just have the answers. And with an ECG app that checks for atrial fibrillation, plus alerts for irregular heart rhythms and SpO2 monitoring, it's like having a mini doctor on your wrist.
For the fitness fanatics (or those of us who pretend to be on Mondays), it's got built-in GPS to track your wanderings, a workout intensity map to show off your efforts, and over 40 exercise modes—because variety is the spice of life, right? Oh, and it's swim-proof up to 50 meters, so go ahead, make a splash. Sleep more than just a beauty ritual? The Sense 2 dishes out personalized Sleep Profiles, breaks down your nightly adventures into sleep stages, and even gives you a Sleep Score. Because who doesn't love a good grade?
And because we live in the 21st century, it keeps you connected with Bluetooth calls, texts, and notifications right on your wrist. Fancy a change? Swap out the clock face like you're changing outfits. Fitbit Pay and Amazon Alexa are baked in, because convenience is king. The cherry on top? A battery that lasts over 6 days and a 6-month Premium membership to dive deep into your health analytics. Because knowing is half the battle.
Features
- ECG app for atrial fibrillation assessment
- Personalized Sleep Profile
- Built-in GPS and workout intensity map
- 40+ exercise modes
- 6+ day battery life
- All-day stress detection with cEDA
General specs
- Brand: Fitbit
- Model: 6514034
- Seller: Amazon
- ID: B0B4N2T7GL
- Product Dimensions: 1.57 x 0.47 x 1.57 inches; 7.05 ounces
- Batteries: 1 LR44 batteries required. (included)
- Date First Available: September 23, 2022
- Manufacturer: Fitbit Inc
- Country of Origin: China
- First listed by seller: 5/8/25
If you are interested in more details, you can find full information on the seller's page.
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| Brand | Fitbit | Fitbit | Fitbit | GADIXY | Choiknbo | |
| Model | 6514034 | FB521GLBM-US | Sense 2 | ac34e7a4-c908-4a12-bcce-54656dac82a8 | ||
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| Price | $224.00 | $214.99 | $198.83 | $49.99 | $39.99 | $14.99 |
| Seller | Amazon | Amazon | Amazon | Gshopper | Amazon | Amazon |
| Update | December 6, 2025 | December 6, 2025 | December 6, 2025 | July 25, 2024 | December 6, 2025 | December 9, 2025 |
| Product Dimensions | 1.57 x 0.47 x 1.57 inches; 7.05 ounces | 1.57 x 0.47 x 1.57 inches; 1.3 ounces | 1.57 x 0.47 x 1.57 inches; 6.74 ounces | |||
| Batteries | 1 LR44 batteries required. (included) | 1 Lithium Ion batteries required. (included) | 1 Lithium Ion batteries required. (included) | |||
| Date First Available | September 23, 2022 | September 23, 2022 | September 23, 2022 | |||
| Manufacturer | Fitbit Inc | Fitbit Inc | Fitbit Inc | |||
| Country of Origin | China | China | China | |||
| Connectivity | Bluetooth | Bluetooth | USB, 5.1 Bluetooth, GPS Via Smartphone | |||
