Fitbit One vs. Sony SmartBand 2 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson
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| FitbitOneRemove Buy Now | SonySmartBand 2Remove Buy Now | Michael KorsGraysonRemove Buy Now | PolarLoopRemove Buy Now | Michael KorsAccess Sofie HRRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $100 | $130 | $350 | $100 | $395 | $350 |
| Release | 2012 | 2015 | 2018 | 2013 | 2019 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 10-14 days | 2 days | 24 hours | 5 days | 2 days | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | n/a | NA | |||
| Mac | n/a | NA | ||||
| Windows | n/a | NA | ||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | n/a | |||||
| Resolution | n/a | n/a | 453 x 454 | NA | 390 x 390 | 453x454 |
| Size | n/a | n/a | 1.39 inches | NA | 1.19 inches | 1.39 inches |
| Touch | n/a | |||||
| Type | OLED | n/a | AMOLED | LED | OMOLED | AMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | Splast Resistant | IP58 | 1 ATM | 2 ATM | 0.3 ATM | 1 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | n/a | Android Wear | NA | Wear OS | Android Wear |
| Apps | ||||||
| Music | ||||||