| Display | Analog hybrid dial with 0.63" grayscale OLED sub-display (14504 px, 282 PPI) | 1.3-inch always-on AMOLED touchscreen, 416x416, up to 1,500 nits, mineral glass |
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| Case | 38.4 mm (34.6 g) or 42 mm (52.6 g) stainless steel, sapphire glass, 18/20 mm FKM wristband | — |
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| Battery | Up to 30 days (launch claim; Withings now states up to 35 days), about 2 hours to charge | Up to 20 days of daily use (up to 6 days with always-on display); up to 38 hours of GPS in All Systems mode (28 hours with always-on display); up to 31 hours in dual-frequency mode; under 2 hours to charge |
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| Water Resistance | 5 ATM (50 m) | — |
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| Health Sensors | ECG, SpO2, TempTech 24/7 skin temperature, multi-wavelength PPG (4 wavelengths, 16 channels), HDR accelerometer | — |
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| Features | AFib detection, heart rate variability, respiratory rate, menstrual cycle logging, 40+ automatic activities, VO2 max | — |
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| OS | HealthSense, iOS 15+ / Android 9+ compatible | — |
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| Colours | Black, white (38 mm); black (42 mm) | — |
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| Processor | — | Ambiq Apollo510 (COROS claims more than twice the processing power of the PACE 3) |
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| Body | — | 46 x 46 x 12.25 mm; 37 g with nylon band, 49 g with silicone band; fiber-reinforced polymer case and bezel; 22mm quick-release bands |
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| Positioning | — | All-satellite dual-frequency GNSS (GPS, GLONASS, Galileo, BeiDou, QZSS), downloadable global maps with turn-by-turn navigation |
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| Sensors | — | Optical heart rate and SpO2, electrical heart rate sensor for HRV, barometric altimeter, accelerometer, gyroscope, 3D compass, thermometer |
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| Controls | — | Touchscreen, digital dial and back button |
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| Memory | — | 32GB internal storage, about 1,200 hours of activity memory (COROS estimate) |
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| Connectivity | — | Bluetooth, Wi-Fi for data sync and firmware updates, offline music playback with supported Bluetooth headsets |
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| Water resistance | — | 5 ATM (surface water activities, not for diving) |
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| Charging | — | USB-C (cable not included) |
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| Colors | — | Black, Grey, Blue |
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