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More Information | ||||
| Check Amazon | Check Amazon | |||
Price and Release Date | ||||
| Suggested Price | $100 | $249 | $99 | $130 |
| Release / Update | 2020 | 2017 | 2019 | 2015 |
Activity & Fitness | ||||
| Calories | ||||
| Distance | ||||
| Heart | ||||
| VO2max (Oxygen) | ||||
| Sleep | ||||
| Steps | ||||
| Stress mgt | ||||
| Female health | ||||
| Skin temp | ||||
| Breath rate | ||||
Battery | ||||
| Duration | 10 Days | 7 days | 2 days | |
| Rechargeable | ||||
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Compatibility Support | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | ||||
| Mac | n/a | |||
| Windows | n/a | |||
Connectivity Support | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | n/a | |||
| Resolution | 141 x 63 | 360 x 360 | 128x64 | n/a |
| Size | 1.47 inches | 1.2 inches | 0.74 inches | n/a |
| Touch | n/a | |||
| Type | OLED | P-OLED | OLED | n/a |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | IP67 | 5 ATM | IP58 |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Fitbit OS | Android Wear 2 | FreeRTOS | n/a |
| Apps | ||||
| Music | ||||
More Information | ||||
| Check Amazon | Check Amazon | |||
