| Display | 1.2-inch always-on transflective touchscreen with mineral glass and a night mode | 1.28-inch AMOLED touchscreen, 416 x 416, always-on option, Gorilla Glass 3 |
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| Body | 11.7 mm thick; 30 g with nylon band; silicone and nylon band options; 20 mm quick-release bands | 45 x 45 x 13.8 mm; 48 g with wristband, 28 g without; bio-based plastic case; 22 mm quick-release strap |
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| Battery | Up to 15 days of regular use; up to 38 hours of full GPS (standard GPS mode) | Up to 10 days in smartwatch mode; up to 43 hours with GPS in performance training mode (170 hours in eco mode); 385 mAh, replaceable |
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| Positioning | GPS with optional dual-frequency mode, barometric altimeter, breadcrumb and turn-by-turn navigation | GPS, Galileo, BeiDou, QZSS with assisted GPS; barometer, compass; route guidance and back to start |
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| Sensors | Optical heart rate and SpO2 sensor (5 LEDs, 4 photodetectors), barometric altimeter | Precision Prime optical heart rate, nightly skin temperature, accelerometer, gyroscope, barometer, magnetometer; no ECG or SpO2 |
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| Water Resistance | 5 ATM | — |
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| Sports | Run, bike, swim, strength and snow activity modes; training plans, workouts and COROS Training Hub | 170+ sports and activities, Training Load Pro, Nightly Recharge, SleepWise, Sleep Plus Stages |
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| Connectivity | Bluetooth; syncs with Strava, Nike Run Club, Apple Health and Health Connect; notifications, Find My Phone, GoPro and Insta360 control | Bluetooth LE; proprietary USB-C charging cable |
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| Music | Built-in audio support for music (per COROS) | — |
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| Durability | — | WR50 water resistance; tested to MIL-STD-810H; -20 to 50 °C operation |
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| Performance | — | 275 MHz CPU, 5 MB memory, 32 MB storage |
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| Extras | — | Integrated LED flashlight with white and red light; Polar Flow app and web service included |
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| Colors | — | Night Black, Snow White, Forest Green |
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