Polar Loop 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Fitbit Flex
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| PolarLoop 2Remove Buy Now | AsusZenWatchRemove Buy Now | CasioWSD-F20ARemove Buy Now | Michael KorsAccess SofieRemove Buy Now | FitbitFlexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $120 | $150 | $399 | $395 | $100 |
| Release | 2015 | 2014 | 2018 | 2017 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 days (without notifications) | NA | 1 day | 1 day | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | NA | ||
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 320 x 320 | 320 x 320 | 390 x 390 1.19 inches | NA |
| Size | n/a | 1.63 inches | 1.32 inches | NA | |
| Touch | AMOLDED | NA | |||
| Type | LED | AMOLED | LCD | LED | |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 2 ATM | IP55 | 5 ATM | 1 ATM | 1 ATM |
Notifications | |||||
| Phone | |||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | Android Wear | Wear OS | Android Wear 2.0 | NA |
| Apps | |||||
| Music | |||||