Product Description
HR-310 Features: -Continually tracks and displays your heart rate. -Tap on lens for easy access to exercise data. -Measures calories burned. -Tracks your current, average, and percentage heart rate readings. -Visual and audio alerts informs you of target heart rate zones. Product Type: -Measurement device or training aid. Color: -Grey. Battery Required: -Yes. Dimensions: Overall Height - Top to Bottom: -3.5". Overall Width - Side to Side: -6". Overall Depth - Front to Back: -3". Overall Product Weight: -0.28 lbs.Feature
Placement: Wrist