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HRM-Dual™ |
HRM-Run™ |
HRM-Swim™ |
HRM-Tri™ |
HRM-Pro™ |
| Real-time heart rate transmission via ANT® connectivity (2.4 GHz) when out of water |
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| Supports heart rate variability (HRV) |
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| Transmits real-time heart rate and supports HRV via BLUETOOTH® technology to compatible devices and apps |
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| Number of concurrent connections supported |
ANT: No limit
BLUETOOTH Low Energy: 2 |
ANT: No limit |
ANT: No limit |
ANT: No limit |
ANT: No limit
BLUETOOTH Low Energy: 2 |
| Running dynamics1 |
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| Stores and forwards heart rate data for swimming or stand-alone use cases1 |
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| Swim interval heart rate stats1 |
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| Pairs with Garmin Connect™ app2 |
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| Stand-alone activity monitoring (steps, all-day heart rate, calories and intensity minutes) using Physio TrueUp |
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| Battery life |
3.5 years
(using 1 hour per day) |
12 months
(using 1 hour per day) |
18 months
(swimming 3 hours per week) |
10 months
(tri training 1 hour per day) |
12 months
(tri training 1 hour per day) |
| Water resistance |
1 ATM |
5 ATM |
5 ATM |
5 ATM |
5 ATM |
| Detachable module |
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| Size range |
25"–52"
(64–132 cm) |
23.5"–42"
(60–106 cm)
With included strap extender: 23.5"–56"
(60–142 cm) |
23"–57"
(58–145 cm) |
23.5"–42"
(60–106 cm)
With included strap extender: 23.5"–56"
(60–142 cm) |
23.5"–42"
(60–106 cm)
With optional strap extender: 23.5"–56"
(60–142 cm) |
| Designed to stay in place during pool swimming |
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1Not all Garmin wearables are compatible with this feature; check compatibility of your Garmin wearable device
2Requires app on your compatible smartphone; see Garmin.com/ble. Garmin Connect can be used to view settings and receive firmware updates. The app does not support viewing of real-time heart rate data from heart rate straps.
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