More Information | ||||||||
Check Amazon | Check Amazon | |||||||
Price and Release Date | ||||||||
Suggested Price | $350 | $200 | $330 | $200 | $99 | $300 | $300 | $130 |
Release / Update | 2017 | 2015 | 2016 | 2022 | 2019 | 2014 | 2015 | 2016 |
Activity & Fitness | ||||||||
Calories | ||||||||
Distance | ||||||||
Heart | ||||||||
VO2max (Oxygen) | ||||||||
Sleep | ||||||||
Steps | ||||||||
Stress mgt | ||||||||
Female health | ||||||||
Skin temp | ||||||||
Breath rate | ||||||||
Battery | ||||||||
Duration | 48 hours | 12 days | 2 days | 7 days | 7 days | 2–3 days | 2–3 days | 5 days |
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 | 480 x 480 | 160 x 80 | 240 x 240 | 240x240 | 128x64 | 320 x 320 | 360 x 360 | |
Size | 1.38 inches | 1.18 inches | 1.3 inches | 1.2 inches | 0.74 inches | 1.63 inches | 1.2 inches | 0.91 inches |
Touch | ||||||||
Type | P-OLED | TFT | MIPS | OLED | Super AMOLED | Super AMOLED | ||
Functions | ||||||||
Audio Speaker | Alerts only | Bluetooth | ||||||
Clock | ||||||||
Phone | ||||||||
Vibration | ||||||||
Voice | ||||||||
Hardware | ||||||||
Accelerometer | ||||||||
Barometer or Altimeter | ||||||||
Ultraviolet Sensor | ||||||||
Water Resistance | IP68 | WR30 | IPX8 | 5 ATM (50 Meters) | 5 ATM | IP67 | IP68 | IPX7 |
Notifications | ||||||||
Phone | ||||||||
Emails | ||||||||
Texts | ||||||||
Software | ||||||||
Operating System | Android Wear 2 | n/a | Android Wear | Built-in | FreeRTOS | Tizen OS | Tizen OS | n/a |
Apps | ||||||||
Music | ||||||||
More Information | ||||||||
Check Amazon | Check Amazon |