Polar M400 vs. Fitbit One vs. ASUS ZenWatch 3 vs. Garmin Chronos vs. Michael Kors Access Sofie
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| PolarM400Remove Buy Now | FitbitOneRemove Buy Now | ASUSZenWatch 3Remove Buy Now | GarminChronosRemove Buy Now | Michael KorsAccess SofieRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $100 | $229 | $1500 | $395 |
| Release | 2014 | 2012 | 2017 | 2018 | 2017 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 10-14 days | 48 hours | 8 days | 1 day |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | Yes | ||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | 400 x 400 | 218 x 218 | 390 x 390 1.19 inches |
| Size | n/a | n/a | 1.39 inches | 1.2 inches | |
| Touch | AMOLDED | ||||
| Type | n/a | OLED | AMOLED | MIP | |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | Splast Resistant | 10 ATM | 1 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Android Wear 2 | Wear OS | Android Wear 2.0 |
| Apps | |||||
| Music | |||||