can fitbit alta tell heart rate
Since exercise requires more energy, your heart beats faster to deliver more oxygen through the blood. By measuring how fast your heart is beating, Fitbit trackers with PurePulse technology can more accurately gauge how many calories youâre burning.ptimize your health with charts & graphs. Get instant heart rate readings all day, every day. Analyze your heart rate over time to identify trends and manage stress. Review resting heart rate trends to see when health and fitness are improving.