Polar M400 vs. Misfit Ray vs. TomTom Touch vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson
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| PolarM400Remove Buy Now | MisfitRayRemove Buy Now | TomTomTouchRemove Buy Now | Michael KorsGraysonRemove Buy Now | AppleWatch Series 4Remove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $200 | $100 | $130 | $350 | $329 | $350 |
| Release | 2014 | 2016 | 2016 | 2018 | 2018 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | n/a | |||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 8 hours to 30 days | 6 months | 5 days | 24 hours | Not Yet | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | n/a | n/a | |||
| Mac | n/a | n/a | ||||
| Windows | n/a | n/a | ||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | n/a | |||||
| Resolution | n/a | n/a | n/a | 453 x 454 | 384 x 480 | 453x454 |
| Size | n/a | n/a | 0.91 inches | 1.39 inches | 1.78 inches | 1.39 inches |
| Touch | n/a | |||||
| Type | n/a | LED | n/a | AMOLED | MicroLED | AMOLED |
Functions | ||||||
| Audio Speaker | Alerts only | |||||
| Clock | n/a | |||||
| Phone | ||||||
| Vibration | n/a | |||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 3 ATM | 5 ATM | IPX7 | 1 ATM | Not Yet | 1 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | n/a | n/a | Android Wear | Watch OS 5 | Android Wear |
| Apps | ||||||
| Music | ||||||