Swimming with heart rate lets you calibrate your effort to make the most of every workout. You’ll know if you’re taking it too easy—or overtraining. This swim goggle mounting clip was intended for use with the Polar OH1, OH1 + and Verity Sense heart rate sensors.

Compatible with: Smart Swim 1 only.

Smart Swim 2 includes a built-in heart monitor.

*Polar OH1, OH1 + and Verity Sense heart rate sensors not included with purchase.