Emporio Armani Connected vs. Polar M400 vs. Withings Activite Sapphire vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Xiaomi Mi Band 4
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| Emporio ArmaniConnectedRemove Buy Now | PolarM400Remove Buy Now | WithingsActivite SapphireRemove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | ||||||
| Suggested Price | $245 | $200 | $450 | $350 | $350 | $25 |
| Release | 2016 | 2014 | 2014 | 2018 | 2018 | 2019 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | n/a | |||||
| Distance | ||||||
| Heart | n/a | n/a | ||||
| Oxygen | n/a | |||||
| Sleep | ||||||
| Steps | ||||||
| Swim | n/a | |||||
Battery | ||||||
| Duration | 6 months | 8 hours to 30 days | 8 months | 24 hours | 24 hours | 20 days |
| 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 | n/a | |||||
| GPS | n/a | |||||
| NFC | n/a | |||||
| Wi-Fi | n/a | |||||
Display | ||||||
| Color | n/a | |||||
| Resolution | n/a | n/a | n/a | 453 x 454 | 453x454 | 120x240 |
| Size | n/a | n/a | 1.3 inches | 1.39 inches | 1.39 inches | 0.95 inches |
| Touch | n/a | |||||
| Type | n/a | n/a | Analog | AMOLED | AMOLED | AMOLED |
Functions | ||||||
| Audio Speaker | n/a | Alerts only | ||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | n/a | |||||
Hardware | ||||||
| Accelerometer | n/a | |||||
| Barometer or Altimeter | n/a | |||||
| Ultraviolet Sensor | n/a | |||||
| Water Resistance | 10 ATM | 3 ATM | 5 ATM | 1 ATM | 1 ATM | 5 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | n/a | n/a | Android Wear | Android Wear | AMAZFIT OS |
| Apps | n/a | |||||
| Music | ||||||