Polar OH1 + Waterproof Optical Heart Rate Monitor with Swimming Goggle Strap Clip and Armband – HR Monitor with Bluetooth, ANT+

VERSATILITY: Polar OH1 allows you full freedom of movement regardless of your sport. Wear Polar HR monitor either on your arm when rowing, cycling, running or training indoors, or against your temple when swimming.
COMFORT: The soft textile armband keeps Polar OH1 snug around your arm. The swimming goggle strap clip included in the Polar OH1 + package keeps Polar HR sensor steadily in place when you swim.
CONNECTIVITY: Pair HRM with the free Polar Beat fitness app, Strava or Nike, your sports or smart watch (Polar, Garmin, Apple, Suunto and others), bike computer or gym equipment (Peloton) via Bluetooth or ANT+ simultaneously.