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More Information | ||||||
| Check Amazon | ||||||
Price and Release Date | ||||||
| Suggested Price | $60 | $130 | $80 | $120 | $255 | $49 |
| Release / Update | 2012 | 2013 | 2016 | 2015 | 2017 | 2021 |
Activity & Fitness | ||||||
| Calories | ||||||
| Distance | ||||||
| Heart | $ | |||||
| VO2max (Oxygen) | ||||||
| Sleep | ||||||
| Steps | ||||||
| Stress mgt | ||||||
| Female health | ||||||
| Skin temp | ||||||
| Breath rate | ||||||
Battery | ||||||
| Duration | 6 months | 14 days | 6 months | 8 days (without notifications) | 30 hours | 14 days |
| Rechargeable | ||||||
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Compatibility Support | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | ||||||
| Mac | n/a | n/a | n/a | |||
| Windows | n/a | n/a | n/a | |||
Connectivity Support | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | n/a | |||||
| Resolution | n/a | n/a | 128x128 | 152 × 486 | ||
| Size | n/a | n/a | 1.4 inch | 1.86 inches | ||
| Touch | n/a | n/a | ||||
| Type | n/a | n/a | LED | LCD | AMOLED | |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | Splash resistant | Splash resistant | 5 ATM | 2 ATM | WR30 | 5 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | n/a | n/a | n/a | Built-in | |
| Apps | ||||||
| Music | ||||||
More Information | ||||||
| Check Amazon | ||||||
