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| AmazfitGTRRemove Buy Now | FitbitVersaRemove Buy Now | FitbitZipRemove Buy Now | PebbleClassicRemove Buy Now |
Basic Info | ||||
| Suggested Price | $199 | $199.99 | $60 | $99 |
| Release | 2019 | 2018 | 2012 | 2013 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 24 days | 4 days | 6 months | 5-7 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | ||
| Mac | n/a | |||
| Windows | n/a | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | 454 x 454 | 300 x300 | n/a | 168 x 144 |
| Size | 1.39 inches | 1.34 inches | n/a | 1.26 inches |
| Touch | ||||
| Type | AMOLED | OLED | n/a | e-paper |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | 5 ATM | Splash Resistant | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Build-in | n/a | Pebble OS | |
| Apps | ||||
| Music | ||||