More Information | ||||||
Check Amazon | Check Amazon | |||||
Price and Release Date | ||||||
Suggested Price | $349 | $299 | $255 | $250 | $200 | $250 |
Release / Update | 2015 | 2021 | 2018 | 2015 | 2014 | 2013 |
Activity & Fitness | ||||||
Calories | ||||||
Distance | ||||||
Heart | ||||||
VO2max (Oxygen) | ||||||
Sleep | ||||||
Steps | ||||||
Stress mgt | ||||||
Female health | ||||||
Skin temp | ||||||
Breath rate | ||||||
Battery | ||||||
Duration | 18 hours | 1 Day | 1 Day | 10 days | 8 hours | |
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 | 340 x 272 or 390 x 312 | 416 x 416 | 390 x 390 | 168 x 144 | 128x128 | 480 x 360 |
Size | 1.5 inches or 1.65 inches | 1.28 inches | 1.2 inches | 1.26 inches | 2 inches | |
Touch | ||||||
Type | AMOLED | AMOLED | AMOLED | e-paper | LCD | Super AMOLED |
Functions | ||||||
Audio Speaker | Alerts only | |||||
Clock | ||||||
Phone | ||||||
Vibration | ||||||
Voice | ||||||
Hardware | ||||||
Accelerometer | ||||||
Barometer or Altimeter | ||||||
Ultraviolet Sensor | ||||||
Water Resistance | IPX7 | 3 ATM | 5 ATM (50 Meters) | 5 ATM | 3 ATM | IP67 |
Notifications | ||||||
Phone | ||||||
Emails | ||||||
Texts | ||||||
Software | ||||||
Operating System | Watch OS | Wear OS | Wear OS | Pebble OS | Tizen OS | |
Apps | ||||||
Music | ||||||
More Information | ||||||
Check Amazon | Check Amazon |