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More Information | ||||||
| Check Amazon | Check Amazon | Check Amazon | Check Amazon | |||
Price and Release Date | ||||||
| Suggested Price | $130 | $349 | $159 | $300 | $200 | $250 |
| Release / Update | 2017 | 2015 | 2023 | 2023 | 2014 | 2013 |
Activity & Fitness | ||||||
| Calories | ||||||
| Distance | ||||||
| Heart | ||||||
| VO2max (Oxygen) | ||||||
| Sleep | ||||||
| Steps | ||||||
| Stress mgt | ||||||
| Female health | ||||||
| Skin temp | ||||||
| Breath rate | ||||||
Battery | ||||||
| Duration | 5 days | 18 hours | Up to 7 days | Up to 28 days (45mm) / 21 days (40mm), unlimited with solar | 8 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 | 320 x 300 | 340 x 272 or 390 x 312 | 176 x 176 pixels (45mm), 156 x 156 pixels (40mm) | 128x128 | 480 x 360 | |
| Size | 1.34 inches | 1.5 inches or 1.65 inches | 1.04-inch AMOLED | 0.9” x 0.9” (45mm), 0.79” x 0.79” (40mm) | 2 inches | |
| Touch | ||||||
| Type | TFT LCD | AMOLED | AMOLED | MIP | LCD | Super AMOLED |
Functions | ||||||
| Audio Speaker | Alerts only | |||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | IP67 | IPX7 | Water-resistant up to 50m | 10 ATM (100 Meters) | 3 ATM | IP67 |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | Proprietary | Watch OS | Fitbit OS | Garmin Watch OS | Tizen OS | |
| Apps | ||||||
| Music | ||||||
More Information | ||||||
| Check Amazon | Check Amazon | Check Amazon | Check Amazon | |||
