Polar Hear Rate Monitor FT60F Lilac Female Pulse Monitor Visual charging always know Aluminum band assists in Visual charging always know the charging power 1kg) (1335 N) * Accuracy: + 1 % over full scale * Resolution: 0 The test is based on heart rate and heart rate variability at rest and personal information * Polar OwnCal© calorie expenditure with fat percentage * Polar OwnCal calculates the number of kilocalories expended during training You can set the target zone for your training as beats per minute (bpm) as a percentage of your maximum heart rate or as a percentage of your heart rate reserve (HRR%) * Polar Fitness Test: Polar Fitness Test measures your aerobic fitness at rest in just five minutes