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| FitbitChargeRemove Buy Now | FitbitFlexRemove Buy Now | GarminChronosRemove Buy Now | PolarM430Remove Buy Now |
Basic Info | ||||
| Suggested Price | $130 | $100 | $1500 | $255 |
| Release | 2014 | 2013 | 2018 | 2017 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 7-10 days | 5 days | 8 days | 30 hours |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | NA | NA | ||
| Mac | ||||
| Windows | ||||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | NA | NA | 218 x 218 | 128x128 |
| Size | NA | NA | 1.2 inches | 1.4 inch |
| Touch | NA | NA | ||
| Type | OLED | LED | MIP | LCD |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 1 ATM | 1 ATM | 10 ATM | WR30 |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | NA | NA | Wear OS | |
| Apps | ||||
| Music | ||||