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More Information | |||||
| Check Amazon | Check Amazon | Check Amazon | Check Amazon | ||
Price and Release Date | |||||
| Suggested Price | $100 | $299 | $300 | $200 | $300 |
| Release / Update | 2013 | 2017 | 2023 | 2019 | 2021 |
Activity & Fitness | |||||
| Calories | |||||
| Distance | |||||
| Heart | |||||
| VO2max (Oxygen) | |||||
| Sleep | |||||
| Steps | |||||
| Stress mgt | |||||
| Female health | |||||
| Skin temp | |||||
| Breath rate | |||||
Battery | |||||
| Duration | 5 days | 4+ days | Up to 28 days (45mm) / 21 days (40mm), unlimited with solar | 1 day | 72 hours |
| Rechargeable | |||||
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Compatibility Support | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | |||||
| Mac | |||||
| Windows | |||||
Connectivity Support | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 348x250 | 176 x 176 pixels (45mm), 156 x 156 pixels (40mm) | 360 x 360 | 454 x 454 |
| Size | n/a | 1.42 | 0.9” x 0.9” (45mm), 0.79” x 0.79” (40mm) | 1.2 inches | 1.4 inches |
| Touch | n/a | ||||
| Type | LED | OLED | MIP | AMOLED | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 1 ATM | 50m | 10 ATM (100 Meters) | IP68 | IP68 |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Fitbit OS | Garmin Watch OS | Wear OS | WearOS 3 |
| Apps | |||||
| Music | |||||
More Information | |||||
| Check Amazon | Check Amazon | Check Amazon | Check Amazon | ||
