Polar M400 vs. Withings Activite Steel vs. Sony SmartBand Talk vs. Apple Watch Series 2 vs. LG G Watch R
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| PolarM400Remove Buy Now | WithingsActivite SteelRemove Buy Now | SonySmartBand TalkRemove Buy Now | AppleWatch Series 2Remove Buy Now | LGG Watch RRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $170 | $170 | $269 | $300 |
| Release | 2014 | 2015 | 2014 | 2016 | 2014 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 8 months | 3 days | 18 hours | 2 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | n/a | n/a | |
| Mac | n/a | n/a | n/a | ||
| Windows | n/a | n/a | n/a | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | 296 x 128 | 340 x 272 or 390 x 312 | 320 x 320 |
| Size | n/a | 1.3 inches | 1.4 inches | 1.5 inches or 1.65 inches | 1.3 inches |
| Touch | |||||
| Type | n/a | Analog | E Ink | AMOLED | P-OLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5 ATM | IP68 | 5ATM | IP67 |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Android Wear | Watch OS | Android Wear |
| Apps | |||||
| Music | |||||