Module dimensions (LxWxD) | 2.1" W x 1.2" H x 0.3" D (53.7 x 29.6 x 8.6 mm) |
Size range | Strap length: 25"–36.5" (63.5–93cm) Fits chest size: 26.5"–42" (67.5–106 cm). With optional strap extender: 23.5"–56" (67.5–142 cm) |
Weight |
1.8 oz (52 g) |
Water rating | 5 ATM |
Battery type | CR2032 |
Battery life |
Up to 12 months (tri training 1 hour per day) |
Battery door type | tool-free |
HRM Connectivity | |
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Pairs with Garmin Connect™ App | Yes |
Transmits data over ANT | Yes |
Transmits data over BLE | Yes |
Number of concurrent connections supported | ANT: No limit; BLUETOOTH Low Energy: 3 |
Running Features | |
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Running pace and distance (with compatible smartwatch) | Yes |
Fitness Features | |
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Heart rate and HRV (Heart Rate Variability) | Yes |
HRM Running Dynamics (with compatible smartwatch) | Yes |
Stores and forwards heart rate data (with compatible smartwatch) | yes (swimming or stand-alone use cases) |
Swim interval heart rate stats (with compatible smartwatch) | Yes |
XC Ski Power (with compatible smartwatch) | Yes |
Activity tracking (steps, all-day heart rate, calories and intensity minutes) using Physio TrueUp | yes (Garmin smartwatch required. See Pro Details; Fit Details) |