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More Information | ||||
| Check Amazon | Check Amazon | Check Amazon | ||
Price and Release Date | ||||
| Suggested Price | $199 | $170 | $150 | $49 |
| Release / Update | 2017 | 2014 | 2020 | 2021 |
Activity & Fitness | ||||
| Calories | ||||
| Distance | ||||
| Heart | $ | |||
| VO2max (Oxygen) | ||||
| Sleep | ||||
| Steps | ||||
| Stress mgt | ||||
| Female health | ||||
| Skin temp | ||||
| Breath rate | ||||
Battery | ||||
| Duration | 18 hours | 7 days | 3 days | 14 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 | ||||
| Resolution | 340 x 272 or 390 x 312 | 128 x 16 | 240 x 240 | 152 × 486 |
| Size | 1.5 inches or 1.65 inches | 1.41 inches | 1.7 inches | 1.86 inches |
| Touch | ||||
| Type | AMOLED | OLED | OLED | AMOLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | 5 ATM | 3 ATM | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | WatchOS 4 | n/a | Built-in | Built-in |
| Apps | ||||
| Music | ||||
More Information | ||||
| Check Amazon | Check Amazon | Check Amazon | ||
