Polar M400 vs. Jawbone UP Move vs. Michael Kors Access Runway vs. Amazfit T-Rex vs. Apple Watch Ultra
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| PolarM400Remove Buy Now | JawboneUP MoveRemove Buy Now | Michael KorsAccess RunwayRemove Buy Now | AmazfitT-RexRemove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $50 | $350 | $140 | $799 |
| Release | 2014 | 2014 | 2018 | 2019 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 6 months | 1 day | 20 days | 36 hrs |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | NA | ||||
| Resolution | n/a | NA | 390 x 390 | 360 x 360 | 502x410 pixels |
| Size | n/a | NA | 1.19 inches | 1.3 inches | 1.92 inches |
| Touch | NA | ||||
| Type | n/a | NA | AMOLED | AMOLED | |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | LTPO OLED Retina | ||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | Splash Resistant | 3 ATM | 5 ATM | 10 ATM (100 Meters) |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | NA | Wear OS | Build-in | WatchOS 9 |
| Apps | |||||
| Music | |||||