Fitbit Flex 2 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Xiaomi Mi Band vs. Garmin Forerunner 45
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| FitbitFlex 2Remove Buy Now | FitbitIonicRemove Buy Now | CasioWSD-F20ARemove Buy Now | XiaomiMi BandRemove Buy Now | GarminForerunner 45Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $299 | $399 | $15 | $199 |
| Release | 2016 | 2017 | 2018 | 2015 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 4+ days | 1 day | 30 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | NA | |||
| Resolution | n/a | 348x250 | 320 x 320 | NA | 208 x 208 |
| Size | n/a | 1.42 | 1.32 inches | NA | 1.04 inches |
| Touch | n/a | NA | |||
| Type | LED | OLED | LCD | NA | LCD |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 50m | 5 ATM | IP67 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Fitbit OS | Wear OS | NA | Built-in |
| Apps | |||||
| Music | |||||