Polar A360 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Fitbit Versa 2 vs. Michael Kors Grayson vs. Garmin Vivosmart 4
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| PolarA360Remove Buy Now | Michael KorsGraysonRemove Buy Now | FitbitCharge 3Remove Buy Now | FitbitVersa 2Remove Buy Now | Michael KorsGraysonRemove Buy Now | GarminVivosmart 4Remove Buy Now |
Basic Info | ||||||
| Suggested Price | $200 | $350 | $150 | $199 | $350 | $130 |
| Release | 2015 | 2018 | 2018 | 2019 | 2018 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 12 days | 24 hours | 7 days | 5 days | 24 hours | 7 days |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | |||||
| Mac | ||||||
| Windows | Not yet | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | NA | |||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 160 x 80 | 453 x 454 | 66 x 18 | 300 x 300 | 453x454 | 48 x 128 |
| Size | 1.18 inches | 1.39 inches | .721 inches | 1.34 inches | 1.39 inches | 0.74 inches |
| Touch | ||||||
| Type | n/a | AMOLED | OLED | AMOLED | AMOLED | OLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | WR30 | 1 ATM | 5 ATM | 5 ATM | 1 ATM | 5 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Android Wear | NA | Build-in | Android Wear | |
| Apps | ||||||
| Music | ||||||