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More Information | ||||||
| Check Amazon | Check Amazon | Check Amazon | ||||
Price and Release Date | ||||||
| Suggested Price | $130 | $255 | $300 | $200 | $180 | $170 |
| Release / Update | 2014 | 2018 | 2018 | 2015 | 2016 | 2014 |
Activity & Fitness | ||||||
| Calories | ||||||
| Distance | ||||||
| Heart | ||||||
| VO2max (Oxygen) | ||||||
| Sleep | ||||||
| Steps | ||||||
| Stress mgt | ||||||
| Female health | ||||||
| Skin temp | ||||||
| Breath rate | ||||||
Battery | ||||||
| Duration | 7–10 days | 24 hours | 30 days | 2 days | 3–4 days | 3 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 | ||||||
| Resolution | n/a | 454 x 454 | 400 x 400 | 432 x 216 | 296 x 128 | |
| Size | 1.4 inches | 1.4 inches | round | 1.5 inches | 1.4 inches | |
| Touch | n/a | |||||
| Type | OLED | AMOLED | OLED/FSTN | e-paper | Super AMOLED | E Ink |
Functions | ||||||
| Audio Speaker | Bluetooth | |||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 1 ATM | IP67 | IP68 | IPX7 | IP68 | IP68 |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Wear OS | Wear OS | Pebble OS | Tizen OS | Android Wear |
| Apps | ||||||
| Music | ||||||
More Information | ||||||
| Check Amazon | Check Amazon | Check Amazon | ||||
