| Display | None (screen-free); single side button, data viewed in Garmin Connect app | — |
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| Body | Module 27 x 47 x 9 mm, 14.8 g; fabric ComfortFit band, fiber-reinforced polymer case; total 20.7 g (S-M) / 21.2 g (L-XL) | — |
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| Battery | Up to 10 days | Up to 11 days typical (Helio Core Motion HR), up to 40 days typical (Helio Core Motion Waist), 232 mAh cells, magnetic charger |
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| Charging | Garmin proprietary plug charger (lithium-ion battery) | — |
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| Memory | 128 MB history | — |
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| Water Resistance | 5 ATM (swim) | 5 ATM |
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| Health Sensors | Wrist heart rate, Pulse Ox, skin temperature, Body Battery, stress, respiration, sleep tracking | — |
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| Training Metrics | Training readiness, HRV status, VO2 max, training status, workout benefit, recovery time; 80+ manual activities and automatic activity detection | — |
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| Connectivity | Bluetooth, ANT+; connected GPS via smartphone | Bluetooth 5.2 (BLE) |
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| Compatibility | iPhone and Android | Android 8.0 and above, iOS 17.0 and above via the Zepp App; HYROX modes require Amazfit Balance 3 or Balance Ultra at launch |
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| Subscription | No subscription required for core tracking; some coaching and workout features require Garmin Connect+ | No monthly subscription required |
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| Colors | Citron Gray, Mauve, French Gray, Dark Olive, Captain Blue, French Blue, Black | — |
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| Type | — | Screenless wearable training system (arm-worn heart-rate sensor plus waist-worn motion sensor), no display |
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| Sensors | — | Helio Core Motion HR: BioTracker 6.0 PPG optical heart-rate sensor (5PD + 2LED), accelerometer, gyroscope, temperature sensor, geomagnetic sensor. Helio Core Motion Waist: accelerometer, gyroscope, geomagnetic sensor |
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| Weight | — | 11.4 g (Helio Core Motion HR), 10.7 g (Helio Core Motion Waist) |
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| Sports Modes | — | More than 50 sports modes via the Zepp App, HYROX Race and Simulation support |
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| In the Box | — | Helio Core Motion HR, Helio Core Motion Waist, Helio Pro Clip, wristband, armband, magnetic charging head |
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