Casio WSD-F10 vs. Polar V800 vs. Jaybird Reign vs. Xiaomi Mi Band 4
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| CasioWSD-F10Remove Buy Now | PolarV800Remove Buy Now | JaybirdReignRemove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | ||||
| Suggested Price | $500 | $470 | $150 | $25 |
| Release | 2016 | 2014 | 2015 | 2019 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | n/a | |||
| Distance | ||||
| Heart | n/a | n/a | ||
| Oxygen | n/a | |||
| Sleep | n/a | |||
| Steps | ||||
| Swim | n/a | |||
Battery | ||||
| Duration | n/a | 13 hours to 30 days | 5 days | 20 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | n/a | |||
| Windows Phone | n/a | n/a | NA | |
| Mac | n/a | NA | ||
| Windows | n/a | NA | ||
Connectivity | ||||
| Bluetooth | n/a | |||
| Cellular | n/a | |||
| GPS | ||||
| NFC | n/a | |||
| Wi-Fi | n/a | |||
Display | ||||
| Color | ||||
| Resolution | n/a | n/a | NA | 120x240 |
| Size | n/a | n/a | NA | 0.95 inches |
| Touch | n/a | NA | ||
| Type | LCD | n/a | LED | AMOLED |
Functions | ||||
| Audio Speaker | n/a | Alerts only | ||
| Clock | ||||
| Phone | n/a | |||
| Vibration | ||||
| Voice | n/a | |||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | 3 ATM | NA | 5 ATM |
Notifications | ||||
| Phone | n/a | |||
| Emails | n/a | |||
| Texts | n/a | |||
Software | ||||
| Operating System | Android Wear | n/a | NA | AMAZFIT OS |
| Apps | n/a | |||
| Music | n/a | |||