Pebble Steel vs. Polar M400 vs. Fitbit One vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Michael Kors Grayson
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| PebbleSteelRemove Buy Now | PolarM400Remove Buy Now | FitbitOneRemove Buy Now | AppleWatch Series 2Remove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $150 | $200 | $100 | $269 | $350 | $350 |
| Release | 2014 | 2014 | 2012 | 2016 | 2018 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | n/a | |||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 5-7 days | 8 hours to 30 days | 10-14 days | 18 hours | 24 hours | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | n/a | n/a | |||
| Mac | n/a | |||||
| Windows | n/a | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 168 x 144 | n/a | n/a | 340 x 272 or 390 x 312 | 453 x 454 | 453x454 |
| Size | 1.26 inches | n/a | n/a | 1.5 inches or 1.65 inches | 1.39 inches | 1.39 inches |
| Touch | ||||||
| Type | e-paper | n/a | OLED | AMOLED | AMOLED | AMOLED |
Functions | ||||||
| Audio Speaker | Alerts only | |||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 5 ATM | 3 ATM | Splast Resistant | 5ATM | 1 ATM | 1 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | Pebble OS | n/a | n/a | Watch OS | Android Wear | Android Wear |
| Apps | ||||||
| Music | ||||||