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More Information | ||||||
| Check Amazon | Check Amazon | Check Amazon | ||||
Price and Release Date | ||||||
| Suggested Price | $150 | $299 | $149 | $100 | $250 | $130 |
| Release / Update | 2015 | 2017 | 2021 | 2015 | 2021 | 2015 |
Activity & Fitness | ||||||
| Calories | ||||||
| Distance | ||||||
| Heart | ||||||
| VO2max (Oxygen) | ||||||
| Sleep | ||||||
| Steps | ||||||
| Stress mgt | ||||||
| Female health | ||||||
| Skin temp | ||||||
| Breath rate | ||||||
Battery | ||||||
| Duration | 4+ days | 5 days | 6 months | 40 Hours | 2 days | |
| 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 | n/a | n/a | ||||
| Resolution | 320 x 320 | 348x250 | 206 x 124 | n/a | 396 x 396 | n/a |
| Size | 1.63 inches or 1.45 inch | 1.42 | 0.76 inches | n/a | 1.9 inches | n/a |
| Touch | n/a | n/a | ||||
| Type | AMOLED | OLED | AMOLED | n/a | AMOLED | n/a |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | IP67 | 50m | 5 ATM | 5 ATM | 5 ATM (50 Meters) | IP58 |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | Android Wear 2 | Fitbit OS | Built-in | n/a | Wear OS 3 | n/a |
| Apps | ||||||
| Music | ||||||
More Information | ||||||
| Check Amazon | Check Amazon | Check Amazon | ||||
