Polar A360 vs. Amazfit Arc vs. Amazfit Cor vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson
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| PolarA360Remove Buy Now | AmazfitArcRemove Buy Now | AmazfitCorRemove Buy Now | Michael KorsGraysonRemove Buy Now | FitbitChargeRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $200 | $69.99 | $79.99 | $350 | $130 | $350 |
| Release | 2015 | 2016 | 2018 | 2018 | 2014 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 12 days | 20 days | 12 days | 24 hours | 7-10 days | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | NA | ||||
| Mac | ||||||
| Windows | ||||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 160 x 80 | 72 x40 | 80 x 160 | 453 x 454 | NA | 453x454 |
| Size | 1.18 inches | 0.42 inches | 1.23 inches | 1.39 inches | NA | 1.39 inches |
| Touch | NA | |||||
| Type | n/a | OLED | IPS LCD | AMOLED | OLED | AMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | WR30 | IP67 | 5 ATM | 1 ATM | 1 ATM | 1 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Android Wear | NA | Android Wear | ||
| Apps | ||||||
| Music | ||||||