| Display | 1.5-inch AMOLED, 480x480, 323 ppi, up to 3,000 nits peak, strengthened glass with anti-fingerprint coating | 1.2-inch always-on transflective touchscreen with mineral glass and a night mode |
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| Body | Aluminum alloy frame, polymer case; 48.5 x 48.5 x 12.2 mm, 39.5 g without strap; 22 mm silicone strap; two buttons | 11.7 mm thick; 30 g with nylon band; silicone and nylon band options; 20 mm quick-release bands |
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| Battery | Up to 25 days (typical use), up to 13 days (heavy use), up to 10 days with always-on display; up to 64 hours of continuous GPS; 658 mAh | Up to 15 days of regular use; up to 38 hours of full GPS (standard GPS mode) |
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| Positioning | Five satellite positioning systems; free downloadable offline maps, including ski resort maps | GPS with optional dual-frequency mode, barometric altimeter, breadcrumb and turn-by-turn navigation |
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| Sensors | BioTracker PPG biometric sensor (5PD + 2LED), accelerometer, gyroscope, geomagnetic, barometric altimeter, ambient light, temperature | Optical heart rate and SpO2 sensor (5 LEDs, 4 photodetectors), barometric altimeter |
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| Connectivity | Bluetooth LE 5.3, Bluetooth calls, microphone and speaker | Bluetooth; syncs with Strava, Nike Run Club, Apple Health and Health Connect; notifications, Find My Phone, GoPro and Insta360 control |
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| Durability | 5 ATM water resistance (ISO 22810:2010) | — |
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| Storage | 4GB onboard | — |
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| Sports | 170+ sport modes, automatic recognition of 25 strength exercises, HYROX tools, HybridCharge energy intelligence | Run, bike, swim, strength and snow activity modes; training plans, workouts and COROS Training Hub |
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| OS | Zepp OS (release notes list an upgrade to Zepp OS 6); Zepp App for Android 7.0+ and iOS 14.0+ | — |
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| Water Resistance | — | 5 ATM |
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| Music | — | Built-in audio support for music (per COROS) |
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