More Information | ||||||||
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Price and Release Date | ||||||||
Suggested Price | $349 | $150 | $200 | $299 | $250 | $175 | $99 | $170 |
Release / Update | 2015 | 2017 | 2016 | 2021 | 2015 | 2016 | 2019 | 2015 |
Activity & Fitness | ||||||||
Calories | ||||||||
Distance | ||||||||
Heart | ||||||||
VO2max (Oxygen) | ||||||||
Sleep | ||||||||
Steps | ||||||||
Stress mgt | ||||||||
Female health | ||||||||
Skin temp | ||||||||
Breath rate | ||||||||
Battery | ||||||||
Duration | 18 hours | 7 days | 5 days | 1 Day | 48 hours (without GPS) | 6 months | 7 days | 8 months |
Rechargeable | ||||||||
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Compatibility Support | ||||||||
Android | ||||||||
iOS | ||||||||
Windows Phone | Partial | |||||||
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 | 340 x 272 or 390 x 312 | 128 x 36 | 416 x 416 | 320 x 128 | 128x64 | n/a | ||
Size | 1.5 inches or 1.65 inches | 1.4 inches | 1.28 inches | 1.36 inches | 1.61 inches | 0.74 inches | 1.3 inches | |
Touch | ||||||||
Type | AMOLED | OLED | LCD | AMOLED | Capacitative TFT | Analog | OLED | Analog |
Functions | ||||||||
Audio Speaker | ||||||||
Clock | ||||||||
Phone | ||||||||
Vibration | ||||||||
Voice | ||||||||
Hardware | ||||||||
Accelerometer | ||||||||
Barometer or Altimeter | ||||||||
Ultraviolet Sensor | ||||||||
Water Resistance | IPX7 | 3 ATM | IPX7 | 5 ATM | 5 ATM | 5 ATM | ||
Notifications | ||||||||
Phone | ||||||||
Emails | ||||||||
Texts | ||||||||
Software | ||||||||
Operating System | Watch OS | Wear OS | n/a | FreeRTOS | n/a | |||
Apps | ||||||||
Music | ||||||||
More Information | ||||||||
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