Polar M400 vs. Sony SmartWatch 3 vs. Garmin Vivofit 3 vs. Misfit Flash Link vs. Withings Pulse Ox
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| PolarM400Remove Buy Now | SonySmartWatch 3Remove Buy Now | GarminVivofit 3Remove Buy Now | MisfitFlash LinkRemove Buy Now | WithingsPulse OxRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $250 | $100 | $20 | $120 |
| Release | 2014 | 2014 | 2016 | 2015 | 2014 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | n/a | |||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 2 days | 1 year | 6 months | 2 weeks |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | n/a | n/a | |
| Mac | n/a | n/a | n/a | n/a | |
| Windows | n/a | n/a | n/a | n/a | |
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | blue | |||
| Resolution | n/a | 320 x 320 | 64 x 64 | n/a | 128 x 32 |
| Size | n/a | 1.6 inches | 0.55 inches | n/a | n/a |
| Touch | n/a | Swipe | |||
| Type | n/a | TFT LCD | n/a | n/a | OLED |
Functions | |||||
| Audio Speaker | Alerts only | Bluetooth | |||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP68 | 5 ATM | 3 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Android Wear | n/a | n/a | n/a |
| Apps | |||||
| Music | |||||