| Stand-alone activity monitoring (steps, all-day heart rate, calories and intensity minutes) using Physio TrueUp |
No |
| Supports heart rate variability (HRV) |
Yes |
| Number of concurrent connections supported |
ANT: No limit; Bluetooth Low Energy: 2 |
| Stores and forwards heart rate data for swimming or stand-alone use cases |
No |
| Running dynamics |
No |
| Detachable module |
Yes |
| Battery door type |
Screw-down |
| Transmits real-time heart rate and supports HRV via Bluetooth®  technology to compatible devices and apps |
Yes |
| Water rating |
1 ATM |
| Pairs with Garmin Connect⢠app |
No |
| Real-time heart rate transmission via ANT® connectivity (2.4 GHz) when out of water |
Yes |
| Designed to stay in place during pool swimming |
No |
| Swim interval heart rate stats |
No |
| Size range |
64ā132 cm (25"-52") |
| Running pace and distance |
No |
| Module size |
62 mm W x 34 mm H x 11 mm D (2.4" x 1.3" x 0.4") |