| Type | Screenless fitness, sleep and recovery tracker worn on the upper arm or wrist, no display | Screenless wearable training system (arm-worn heart-rate sensor plus waist-worn motion sensor), no display |
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| Display | None (screenless, all data is read in the Zepp App) | — |
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| Sensors | BioTracker 6.0 PPG optical heart-rate sensor (5PD + 2LED), accelerometer, gyroscope, temperature sensor | 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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| Battery | Up to 10 days typical use, 232 mAh (rated), magnetic charging head | 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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| Water Resistance | 5 ATM | 5 ATM |
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| Connectivity | Bluetooth 5.2 (BLE) | Bluetooth 5.2 (BLE) |
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| Dimensions | 33.97 x 24.3 x 10.59 mm (without sensor) | — |
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| Weight | 20 g | 11.4 g (Helio Core Motion HR), 10.7 g (Helio Core Motion Waist) |
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| Body Material | Fiber-reinforced polymer | — |
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| Strap | 22 mm nylon strap with hook-and-loop fastening, fits 145-205 mm | — |
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| Sports Modes | 50+ sports modes via the Zepp App, 25 recognised strength movements, HYROX race mode | More than 50 sports modes via the Zepp App, HYROX Race and Simulation support |
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| Health Tracking | Continuous heart rate (per second), blood-oxygen, stress, sleep stages including REM, naps, sleep breathing quality, sleep score, BioCharge energy score, PAI, heart-rate recovery | — |
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| Heart-Rate Broadcast | Real-time heart rate over Bluetooth to compatible watches, bike computers, gym equipment and apps; offline heart-rate storage up to 21 days | — |
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| Compatibility | Android 7.0 and above, iOS 15.0 and above, via the Zepp App | 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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| In the Box | Helio Strap with assembled strap, magnetic charging head (no cable), instruction manual | Helio Core Motion HR, Helio Core Motion Waist, Helio Pro Clip, wristband, armband, magnetic charging head |
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| Subscription | No required monthly subscription | No monthly subscription required |
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