Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
If you are interested in more details, you can find full information on the seller's page.
This activity tracker has an AMOLED display and silicone band. Both small and large band sizes are included; the small band fits wrist circumferences 5.1'–7.5' and the large band fits 6.3'–8.7'. It is water resistant to 50 meters.
It stores 7 days of detailed motion data and daily totals for the past 30 days. Heart rate data is stored at 1-second intervals during exercise tracking and 5-second intervals at other times. Battery life is up to 10 days; results vary with use, settings, and other factors. The source recommends charging every few days.
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Samsung FIT 3 1.6" AMOLED Display
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| Brand | Fitbit | Fitbit | Fitbit | Fitbit | Fitbit | Samsung |
| Model | Inspire 3 | Sense 2 | Sense 2 | Charge 6 | Charge 6 | FIT 3 |
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| Price | €90.09 | €225.28 | €225.28 | €144.16 | €144.16 | €42.36 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Retailer |
| Update | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Jun 24, 2026 |
| Model Name | Inspire 3 | Sense 2 | Sense 2 | Charge 6 | Charge 6 | |
| Part Number | FB424BKYW-US | FB521SRWT-US | GA05183-NA | GA05185-NA | ||
| Battery Life | Up to 10 days; battery life and charge cycles vary with use, settings, and other factors, and actual results will vary. The source recommends charging the tracker every few days. | 6+ days. Battery life and charge cycles vary with use, settings and other factors; actual results will vary. Use of the always-on display, SpO2 and the cEDA sensor will require more frequent charging. | Up to 14 Days | |||
| Product Type | Activity tracker | Smartwatch | Smartwatch | Health and fitness activity tracker | Health and fitness tracker | |
| Band Material | Silicone | Silicone | Silicone | |||
| Water Resistance | 50 meters | 50 meters | 50 meters | |||
| Display Technology | AMOLED | AMOLED | AMOLED | AMOLED | AMOLED | |
| Daily totals storage | Saves daily totals for the past 30 days. | Saves daily totals for the last 30 days. | Saves daily totals for the last 30 days | |||
| Case Material | Aluminium | Aluminium | Aluminium | Aluminium | ||
| Battery Life per Charge | 6+ days; battery life and charge cycles vary with use, settings and other factors, and actual results will vary. Always-on display, SpO2 and cEDA sensor use require more frequent charging. | Up to 7 days. Use of the always-on display and SpO2 features requires more frequent charging. | Up to 7 days; use of the always-on display and SpO2 features requires more frequent charging. Average battery life is approximate. | |||
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