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More Information | |||||
| Check Amazon | Check Amazon | ||||
Price and Release Date | |||||
| Suggested Price | $150 | $100 | $175 | $149.99 | $49 |
| Release / Update | 0000 | 2020 | 2015 | 2017 | 2021 |
Activity & Fitness | |||||
| Calories | |||||
| Distance | |||||
| Heart | |||||
| VO2max (Oxygen) | |||||
| Sleep | |||||
| Steps | |||||
| Stress mgt | |||||
| Female health | |||||
| Skin temp | |||||
| Breath rate | |||||
Battery | |||||
| Duration | 24 hours to 10 days | 10 Days | 7 days | 1 year | 14 days |
| Rechargeable | |||||
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Compatibility Support | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | |||||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | |||
Connectivity Support | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | 128 x 128 | 141 x 63 | n/a | 152 × 486 | |
| Size | 1.47 inches | n/a | 1.73 inches | 1.86 inches | |
| Touch | n/a | ||||
| Type | OLED | n/a | Analog | AMOLED | |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP67 | 5 ATM | 3 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | KoodOS | Fitbit OS | n/a | Built-in | |
| Apps | |||||
| Music | |||||
More Information | |||||
| Check Amazon | Check Amazon | ||||
