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More Information | ||||||
| Check Amazon | Check Amazon | Check Amazon | ||||
Price and Release Date | ||||||
| Suggested Price | $349 | $180 | $300 | $250 | $229 | $255 |
| Release / Update | 2015 | 2021 | 2015 | 2016 | 2021 | 2017 |
Activity & Fitness | ||||||
| Calories | ||||||
| Distance | ||||||
| Heart | ||||||
| VO2max (Oxygen) | ||||||
| Sleep | ||||||
| Steps | ||||||
| Stress mgt | ||||||
| Female health | ||||||
| Skin temp | ||||||
| Breath rate | ||||||
Battery | ||||||
| Duration | 18 hours | 7 Days | 10 hours to 4 weeks | 13 hours to 8 days | 5 Days | 30 hours |
| Rechargeable | ||||||
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Compatibility Support | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | ||||||
| Mac | n/a | n/a | n/a | |||
| Windows | n/a | n/a | n/a | |||
Connectivity Support | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 340 x 272 or 390 x 312 | 180 x 180 | 148 x 205 | 240 x 240 | 128x128 | |
| Size | 1.5 inches or 1.65 inches | 1.04 inches | 1 inch | 1.38 inches | 1.6 inches | 1.4 inch |
| Touch | ||||||
| Type | AMOLED | AMOLED | LCD | LCD | ||
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | IPX7 | 5 ATM (50 Meters) | 5 ATM | 5 ATM | 3 ATM | WR30 |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | Watch OS | Fitbit OS | n/a | Built-in | ||
| Apps | ||||||
| Music | ||||||
More Information | ||||||
| Check Amazon | Check Amazon | Check Amazon | ||||
