Comfortable chest strap for heart rate measurement compatible with Polar, , products. The smart of soft fabrics and adaptive electrodes make it extremely sensitive to Being an indispensable part of he more→art rate monitor, it will detect and send your real-time heart rate to the smart phone accurately. The most popular heart rate belt in the world easy to use yet is very durable. Utilizes the snap attachment method. Color: Black This light garment is compatible with all heart rate sensors(ANT+, Bluetooth 4.0, 5.3K). With the chest strap based on high quality material, it can be attached to your skin closely. your hearts electrical signals, so the heart rate sensor can pick up your heart rate
