Garmin Venu® Sq 2 40 mm Fitness Watch - Shadow Grey|Montre d'activité physique VenuMD Sq 2 de Garmin de 40 mm - gris ombre
The watch samples your heart rate multiple times per second and will alert you if it stays too high or too low while you’re at rest. It also helps gauge how hard you work during activities, even while swimming.
