More Information | |||||||
Check Amazon | Check Amazon | ||||||
Price and Release Date | |||||||
Suggested Price | $150 | $229 | $180 | $299 | $200 | $150 | $200 |
Release / Update | 0000 | 2017 | 2021 | 2017 | 2015 | 2014 | 2015 |
Activity & Fitness | |||||||
Calories | |||||||
Distance | |||||||
Heart | |||||||
VO2max (Oxygen) | |||||||
Sleep | |||||||
Steps | |||||||
Stress mgt | |||||||
Female health | |||||||
Skin temp | |||||||
Breath rate | |||||||
Battery | |||||||
Duration | 24 hours to 10 days | 48 | 7 Days | 4+ days | 1 day | 2 days | |
Rechargeable | |||||||
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Compatibility Support | |||||||
Android | |||||||
iOS | |||||||
Windows Phone | |||||||
Mac | n/a | n/a | n/a | n/a | n/a | ||
Windows | n/a | n/a | n/a | n/a | n/a | ||
Connectivity Support | |||||||
Bluetooth | Yes | ||||||
Cellular | |||||||
GPS | |||||||
NFC | |||||||
Wi-Fi | |||||||
Display | |||||||
Color | |||||||
Resolution | 128 x 128 | 400 x 400 | 348x250 | n/a | 320 x 290 | ||
Size | 1.39 inches | 1.04 inches | 1.42 | n/a | 1.56 inches | round | |
Touch | n/a | ||||||
Type | AMOLED | AMOLED | OLED | n/a | LCD | e-paper | |
Functions | |||||||
Audio Speaker | |||||||
Clock | |||||||
Phone | |||||||
Vibration | |||||||
Voice | |||||||
Hardware | |||||||
Accelerometer | |||||||
Barometer or Altimeter | |||||||
Ultraviolet Sensor | |||||||
Water Resistance | IP67 | 5 ATM (50 Meters) | 50m | IP67 | IPX7 | ||
Notifications | |||||||
Phone | |||||||
Emails | |||||||
Texts | |||||||
Software | |||||||
Operating System | KoodOS | Android Wear 2 | Fitbit OS | Fitbit OS | n/a | Android Wear | Pebble OS |
Apps | |||||||
Music | |||||||
More Information | |||||||
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