Polar M400 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson vs. Mobvoi TicWatch e2 vs. Fitbit Inspire HR
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| PolarM400Remove Buy Now | Michael KorsGraysonRemove Buy Now | SamsungGear 2Remove Buy Now | Michael KorsGraysonRemove Buy Now | MobvoiTicWatch e2Remove Buy Now | FitbitInspire HRRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $200 | $350 | $300 | $350 | $200 | $99 |
| Release | 2014 | 2018 | 2014 | 2018 | 2019 | 2019 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | n/a | |||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | NA | |||||
| Swim | ||||||
Battery | ||||||
| Duration | 8 hours to 30 days | 24 hours | 2-3 days | 24 hours | 1 day | 5 days |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | NA | ||||
| Mac | NA | |||||
| Windows | NA | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | n/a | 453 x 454 | 320 x 320 | 453x454 | 360 x 360 | 139 x 60 |
| Size | n/a | 1.39 inches | 1.63 inches | 1.39 inches | 1.2 inches | 1.4 inches |
| Touch | ||||||
| Type | n/a | AMOLED | Super AMOLED | AMOLED | AMOLED | OLED |
Functions | ||||||
| Audio Speaker | Alerts only | Bluetooth | ||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 3 ATM | 1 ATM | IP67 | 1 ATM | IP68 | 5 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Android Wear | Tizen OS | Android Wear | Wear OS | Fitbit OS |
| Apps | ||||||
| Music | ||||||