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Price and Release Date | 
| Suggested Price | $799 | $159 | $150 | $799 | $299 | $250 | $349 | $70 | $329 | $49 | $130 | 
| Release / Update | 2023 | 2023 | 2022 | 2021 | 2023 | 2016 | 2017 | 2013 | 2018 | 2021 | 2020 | 
Activity & Fitness | 
| Calories |  |  |  |  |  |  |  |  |  |  |  | 
| Distance |  |  |  |  |  |  |  |  |  |  |  | 
| Heart | Third-generation optical heart sensor |  |  |  |  |  |  |  |  |  |  | 
| VO2max (Oxygen) |  |  |  |  |  |  |  |  |  |  |  | 
| Sleep |  |  |  |  |  |  |  |  |  |  |  | 
| Steps |  |  |  |  |  |  |  |  |  |  |  | 
| Stress mgt |  |  |  |  |  |  |  |  |  |  |  | 
| Female health |  |  |  |  |  |  |  |  |  |  |  | 
| Skin temp |  |  |  |  |  |  |  |  |  |  |  | 
| Breath rate |  |  |  |  |  |  |  |  |  |  |  | 
Battery | 
| Duration | Up to 36 hours normal use, Up to 72 hours in Low Power Mode | Up to 7 days | 2 days | 50 Days / Solar Charge | Up to 11 days in smartwatch mode, 5 days with Always-on display, 21 days in battery saver mode, up to 21 hours in GPS mode | 13 hours to 8 days | 1.45 days | 6 months | 14 Days | 14 days | 14 Days | 
| Rechargeable |  |  |  |  |  |  |  |  |  |  |  | 
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Compatibility Support | 
| Android |  |  |  |  |  |  |  |  |  |  |  | 
| iOS |  |  |  |  |  |  |  |  |  |  |  | 
| Windows Phone |  |  |  |  |  |  |  |  |  |  |  | 
| Mac |  |  |  |  |  | n/a |  | n/a |  |  |  | 
| Windows |  |  |  |  |  | n/a |  | n/a |  |  |  | 
Connectivity Support | 
| Bluetooth |  |  |  |  |  |  |  |  |  |  |  | 
| Cellular |  |  |  |  |  |  |  |  |  |  |  | 
| GPS |  |  |  |  |  |  |  |  |  |  |  | 
| NFC |  |  |  |  |  |  |  |  |  |  |  | 
| Wi-Fi |  |  |  |  |  |  |  |  |  |  |  | 
Display | 
| Color |  |  |  |  |  |  |  | n/a |  |  |  | 
| Resolution | 502 x 410 pixels |  | 240 x 240 pixels | 280 x 280 | 390 x 390 pixels | 148 x 205 | 480 x 480 | n/a | 320 x 300 | 152 × 486 | 454 x 454 | 
| Size | 49mm | 1.04-inch AMOLED | 1.3 inches | 1.4 inches | 1.2" | 1.38 inches | 1.38 inches | n/a | 1.4 inches | 1.86 inches | 1.39 inches | 
| Touch |  |  |  |  |  |  |  | n/a |  |  |  | 
| Type | Always-On Retina LTPO OLED | AMOLED |  | MIP LCD | AMOLED |  | P-OLED | n/a | TFT LCD | AMOLED | AMOLED | 
Functions | 
| Audio Speaker |  |  |  |  |  |  |  |  |  |  |  | 
| Clock |  |  |  |  |  |  |  |  |  |  |  | 
| Phone |  |  |  |  |  |  |  |  |  |  |  | 
| Vibration |  |  |  |  |  |  |  |  |  |  |  | 
| Voice |  |  |  |  |  |  |  |  |  |  |  | 
Hardware | 
| Accelerometer |  |  |  |  |  |  |  |  |  |  |  | 
| Barometer or Altimeter |  |  |  |  |  |  |  |  |  |  |  | 
| Ultraviolet Sensor |  |  |  |  |  |  |  |  |  |  |  | 
| Water Resistance | Water resistance 100m, Dust resistance IP6X, EN13319 recreational scuba diving to 40m, Tested to MIL-STD 810H | Water-resistant up to 50m | 5 ATM (50 Meters) | 10 ATM (100 Meters) | 5 ATM (50 Meters) | 5 ATM | IP68 | 5 ATM | 10 ATM (100 Meters) | 5 ATM | 5 ATM | 
Notifications | 
| Phone |  |  |  |  |  |  |  |  |  |  |  | 
| Emails |  |  |  |  |  |  |  |  |  |  |  | 
| Texts |  |  |  |  |  |  |  |  |  |  |  | 
Software | 
| Operating System | WatchOS 10 | Fitbit OS | Built-in | Built-in | Garmin Watch OS |  | Android Wear 2 | n/a | Built-in | Built-in | Built-in | 
| Apps |  |  |  |  |  |  |  |  |  |  |  | 
| Music |  |  |  |  |  |  |  |  |  |  |  | 
More Information | 
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