More Information | ||||||
Check Amazon | Check Amazon | |||||
Price and Release Date | ||||||
Suggested Price | $50 | $130 | $149 | $300 | $130 | $23 |
Release / Update | 2020 | 2014 | 2021 | 2014 | 2016 | 2016 |
Activity & Fitness | ||||||
Calories | ||||||
Distance | ||||||
Heart | ||||||
VO2max (Oxygen) | ||||||
Sleep | ||||||
Steps | ||||||
Stress mgt | ||||||
Female health | ||||||
Skin temp | ||||||
Breath rate | ||||||
Battery | ||||||
Duration | 15 Days | 7–10 days | 5 days | 2 days | 5 days | 20 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 | 454 x 454 | n/a | 206 x 124 | 320 x 320 | ||
Size | 1.1 inches | 0.76 inches | 1.3 inches | 0.91 inches | 0.42 inches | |
Touch | n/a | |||||
Type | AMOLED | OLED | AMOLED | P-OLED | OLED | |
Functions | ||||||
Audio Speaker | ||||||
Clock | ||||||
Phone | ||||||
Vibration | ||||||
Voice | ||||||
Hardware | ||||||
Accelerometer | ||||||
Barometer or Altimeter | ||||||
Ultraviolet Sensor | ||||||
Water Resistance | 5 ATM | 1 ATM | 5 ATM | IP67 | IPX7 | IP67 |
Notifications | ||||||
Phone | ||||||
Emails | ||||||
Texts | ||||||
Software | ||||||
Operating System | Built-in | n/a | Built-in | Android Wear | n/a | n/a |
Apps | ||||||
Music | ||||||
More Information | ||||||
Check Amazon | Check Amazon |