Polar Adds ANT+ and Better Swim Tracking to New OH1 Heart Rate Strap

Polar OH1
Image: Polar
Polar has announced the OH1+, its latest heart rate sensor strap. It’s a compact optical sensor, which can be worn on upper or lower arm, instead of around the chest, and is able to capture around 200 hours of heart rate activity. While its predecessor, the OH1, was an excellent one, the new sensor makes […]