Track your heart rate precisely and in detail with this LifeTrak Zoom HRV wearable device. Its sensors measure heart rate intensity, variability and recovery time during workouts and sleep. Attach this LifeTrak Zoom HRV wearable device to either an arm or leg to measure steps, speed, calories expended and even laps in a swimming pool.

LifeTrak - ZoomHRV Activity Tracker + Heart Rate - Black

$129.99

Track your heart rate precisely and in detail with this LifeTrak Zoom HRV wearable device. Its sensors measure heart rate intensity, variability and recovery time during workouts and sleep. Attach this LifeTrak Zoom HRV wearable device to either an arm or leg to measure steps, speed, calories expended and even laps in a swimming pool.