More Information | |||||||
Check Amazon | Check Amazon | ||||||
Price and Release Date | |||||||
Suggested Price | $150 | $150 | $255 | $120 | $330 | $150 | $23 |
Release / Update | 0000 | 2018 | 2018 | 2015 | 2016 | 2020 | 2016 |
Activity & Fitness | |||||||
Calories | |||||||
Distance | |||||||
Heart | $ | ||||||
VO2max (Oxygen) | |||||||
Sleep | |||||||
Steps | |||||||
Stress mgt | |||||||
Female health | |||||||
Skin temp | |||||||
Breath rate | |||||||
Battery | |||||||
Duration | 24 hours to 10 days | 7 days | 1 Day | 8 days (without notifications) | 2 days | 3 days | 20 hours |
Rechargeable | |||||||
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Compatibility Support | |||||||
Android | |||||||
iOS | |||||||
Windows Phone | |||||||
Mac | n/a | n/a | n/a | ||||
Windows | n/a | Not yet | n/a | n/a | |||
Connectivity Support | |||||||
Bluetooth | |||||||
Cellular | |||||||
GPS | |||||||
NFC | $ | ||||||
Wi-Fi | |||||||
Display | |||||||
Color | |||||||
Resolution | 128 x 128 | 66x18 | 390 x 390 | 240 x 240 | 240 x 240 | ||
Size | .721 inches | 1.2 inches | 1.3 inches | 1.7 inches | 0.42 inches | ||
Touch | |||||||
Type | OLED | AMOLED | LED | TFT | OLED | OLED | |
Functions | |||||||
Audio Speaker | Alerts only | ||||||
Clock | |||||||
Phone | |||||||
Vibration | |||||||
Voice | |||||||
Hardware | |||||||
Accelerometer | |||||||
Barometer or Altimeter | |||||||
Ultraviolet Sensor | |||||||
Water Resistance | IP67 | 5 ATM | 5 ATM (50 Meters) | 2 ATM | IPX8 | 3 ATM | IP67 |
Notifications | |||||||
Phone | |||||||
Emails | |||||||
Texts | |||||||
Software | |||||||
Operating System | KoodOS | Fitbit OS | Wear OS | n/a | Android Wear | Built-in | n/a |
Apps | |||||||
Music | |||||||
More Information | |||||||
Check Amazon | Check Amazon |