DL manuals Jarv Fitness Electronics lifefit +hr User Manual Jarv lifefit +hr User Manual - Heart Rate Data Manual is about: smart watch fitness tracker 12345678910111213141516171819202122232425262728 Page of 28 Go Download Print this page Bookmark us HEART RATE DATA Tracks heart rate bpm data and duration collected throughout the day. Pull down on this section to refresh data/ sync data. 18 « ‹ Prev15161718192021Next › »