Polar Loop 2 vs. Casio WSD-F20A vs. Pebble Core vs. Michael Kors Access Runway vs. Amazfit T-Rex
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| PolarLoop 2Remove Buy Now | CasioWSD-F20ARemove Buy Now | PebbleCoreRemove Buy Now | Michael KorsAccess RunwayRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $120 | $399 | $99 | $350 | $140 |
| Release | 2015 | 2018 | 2016 | 2018 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 days (without notifications) | 1 day | NA | 1 day | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | n/a | NA | |||
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 320 x 320 | NA | 390 x 390 | 360 x 360 |
| Size | n/a | 1.32 inches | NA | 1.19 inches | 1.3 inches |
| Touch | NA | ||||
| Type | LED | LCD | NA | AMOLED | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 2 ATM | 5 ATM | NA | 3 ATM | 5 ATM |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | Wear OS | NA | Wear OS | Build-in |
| Apps | |||||
| Music | |||||