Description <br> Comfortable and adjustable elastic strap <br> With the chest strap based on high quality material, it can be attached to your skin closely <br> Soft fabrics and adaptive electrodes make it extremely sensitive to your hearts electrical signals <br> Compatible with different heart rate sensors (ANT+, Bluetooth 4.0, 5.3K) <br> Comfortable chest strap for heart rate measurement compatible with Polar, Wahoo, Garmin products. <br> <br> The smart fusion of soft fabrics and adaptive electrodes make it extremely sensitive to <br> Being an indispensable part of heart rate monitor, it will detect and send your real-time heart rate to the smart phone accurately. <br> The most popular heart rate belt in the world easy to use yet is very durable. Utilizes the snap attachment method. <br> With the chest strap based on high quality material, it can be attached to your skin closely.Utilizes the snap attachment method <br> Model Number: Heart Rate Chest Strap <br> Two snaps Distance: Approx. 45mm (please check the distance of your mitter and confirm the compatibility) <br> Colour:black <br> Material:Nylon/Polyurethane <br> Size:Length about: 98cm <br> <br> Package Contents: <br> 10x Adjustable Elastic Strap <br> <br> Only the above package content, other products are not included. <br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>