COROS PACE 4 Nylon Band Colour:White Advanced training analysis tool and

Advanced training analysis tool and direct communication with your coach

while weighing just 33 grams with a nylon band

Black 黑色（矽膠）、

A Comprehensive Metric For All Of Your Training

and menstrual cycles to understand how your body's responding to training

COROS PACE 4 Nylon Band Colour:White Advanced training analysis tool andOnly compatible with PACE 3, PACE 4, PACE Pro, APEX 4 42mm, APEX Pro, APEX 2 Pro, APEX 46mm Watch band only Easy to adjust for enhanced heart rate accuracy Quick drying, breathable, soft nylon Material: Nylon Width: 22mm Wrist Circumference: Standard: 13. 5 20. 5 cm 5. 3 8 in Long: 15 23. 5cm 5. 9 9. 3 in