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Price and Release Date | 
| Suggested Price | $150 | $799 | $329 | $429 | $229 | $100 | $299 | 
| Release / Update | 2019 | 2023 | 2018 | 2021 | 2017 | 2022 | 2023 | 
Activity & Fitness | 
| Calories |  |  |  |  |  |  |  | 
| Distance |  |  |  |  |  |  |  | 
| Heart |  | Third-generation optical heart sensor |  |  |  |  |  | 
| VO2max (Oxygen) |  |  |  |  |  |  |  | 
| Sleep |  |  |  |  |  |  |  | 
| Steps |  |  |  |  |  |  |  | 
| Stress mgt |  |  |  |  |  |  |  | 
| Female health |  |  |  |  |  |  |  | 
| Skin temp |  |  |  |  |  |  |  | 
| Breath rate |  |  |  |  |  |  |  | 
Battery | 
| Duration | 14 days | Up to 36 hours normal use, Up to 72 hours in Low Power Mode | Not yet | 18 Hours | 48 | 10 days | 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 | 
| Rechargeable |  |  |  |  |  |  |  | 
        | 
		 
        
		 
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Compatibility Support | 
| Android |  |  |  |  |  |  |  | 
| iOS |  |  |  |  |  |  |  | 
| Windows Phone |  |  |  |  |  |  |  | 
| Mac |  |  |  |  | n/a |  |  | 
| Windows |  |  |  |  | n/a |  |  | 
Connectivity Support | 
| Bluetooth |  |  |  |  | Yes
 |  |  | 
| Cellular |  |  |  |  |  |  |  | 
| GPS |  |  |  |  |  |  |  | 
| NFC |  |  |  |  |  |  |  | 
| Wi-Fi |  |  |  |  |  |  |  | 
Display | 
| Color |  |  |  |  |  |  |  | 
| Resolution | 348 x 442 | 502 x 410 pixels | 384 x 480 | 396 x 484 | 400 x 400 | 39,32x18,6 | 390 x 390 pixels | 
| Size | 1.65 inches | 49mm | 1.78 inches | 1.9 inches | 1.39 inches | 1,46 inches | 1.2" | 
| Touch |  |  |  |  |  |  |  | 
| Type | AMOLED | Always-On Retina LTPO OLED | MicroLED | MicroLED | AMOLED | AMOLED | AMOLED | 
Functions | 
| Audio Speaker |  |  |  |  |  |  |  | 
| Clock |  |  |  |  |  |  |  | 
| Phone |  |  |  |  |  |  |  | 
| Vibration |  |  |  |  |  |  |  | 
| Voice |  |  |  |  |  |  |  | 
Hardware | 
| Accelerometer |  |  |  |  |  |  |  | 
| Barometer or Altimeter |  |  |  |  |  |  |  | 
| Ultraviolet Sensor |  |  |  |  |  |  |  | 
| Water Resistance | 5 ATM | Water resistance 100m, Dust resistance IP6X, EN13319 recreational scuba diving to 40m, Tested to MIL-STD 810H | Not yet | water resistant but not waterproof |  | 5 ATM (50 Meters) | 5 ATM (50 Meters) | 
Notifications | 
| Phone |  |  |  |  |  |  |  | 
| Emails |  |  |  |  |  |  |  | 
| Texts |  |  |  |  |  |  |  | 
Software | 
| Operating System | Wear OS | WatchOS 10 | WatchOS 5 | WatchOS 8 | Android Wear 2 | Fitbit OS | Garmin Watch OS | 
| Apps |  |  |  |  |  |  |  | 
| Music |  |  |  |  |  |  |  | 
More Information | 
|   | 
                                                         
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