Polar M600 vs. Fitbit Charge 2 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Michael Kors Grayson
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| PolarM600Remove Buy Now | FitbitCharge 2Remove Buy Now | FitbitIonicRemove Buy Now | CasioWSD-F20ARemove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $330 | $150 | $299 | $399 | $350 | $350 |
| Release | 2016 | 2016 | 2017 | 2018 | 2018 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 2 days | 5 days | 4+ days | 1 day | 24 hours | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | |||||
| Mac | ||||||
| Windows | ||||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 240 x 240 | n/a | 348x250 | 320 x 320 | 453 x 454 | 453x454 |
| Size | 1.3 inches | n/a | 1.42 | 1.32 inches | 1.39 inches | 1.39 inches |
| Touch | n/a | n/a | ||||
| Type | TFT | OLED | OLED | LCD | AMOLED | AMOLED |
Functions | ||||||
| Audio Speaker | Alerts only | |||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | IPX8 | n/a | 50m | 5 ATM | 1 ATM | 1 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | Android Wear | n/a | Fitbit OS | Wear OS | Android Wear | Android Wear |
| Apps | ||||||
| Music | ||||||