Set of 3 heart rate monitors and 2 watches. All used for marathon training a few years back. This is a set of three Polar heart rate monitors and two Polar watches, designed for both indoor and outdoor use. The heart rate monitors have a display resolution of 240 x 240 and are powered by batteries, with a battery life of more than 7 days. Made of plastic, they provide heart rate measurements in both decimal and imperial systems, and are suitable for Android operating systems. The watches come in black, blue, and pink colours and are designed for unisex adults who engage in gym and training activities. The brand, Polar, ensures high-quality performance and accuracy in measuring heart rates.
eBay