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More Information | ||||
| Check Amazon | Check Amazon | Check Amazon | ||
Price and Release Date | ||||
| Suggested Price | $349 | $199 | $250 | $300 |
| Release / Update | 2015 | 2017 | 2015 | 2021 |
Activity & Fitness | ||||
| Calories | ||||
| Distance | ||||
| Heart | ||||
| VO2max (Oxygen) | ||||
| Sleep | ||||
| Steps | ||||
| Stress mgt | ||||
| Female health | ||||
| Skin temp | ||||
| Breath rate | ||||
Battery | ||||
| Duration | 18 hours | 18 hours | 10 hours to 3 weeks | 72 hours |
| 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 | ||||
| Resolution | 340 x 272 or 390 x 312 | 340 x 272 or 390 x 312 | 205 x 148 | 454 x 454 |
| Size | 1.5 inches or 1.65 inches | 1.5 inches or 1.65 inches | 1.38 inches | 1.4 inches |
| Touch | ||||
| Type | AMOLED | AMOLED | LCD | AMOLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | IPX7 | 5 ATM | 5 ATM | IP68 |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Watch OS | WatchOS 4 | WearOS 3 | |
| Apps | ||||
| Music | ||||
More Information | ||||
| Check Amazon | Check Amazon | Check Amazon | ||
