his heart rate chest strap is designed for monitoring your heart rate. It is useful to help you keep fit.<br><br><strong>Features:</strong><br>Provides live, accurate heart rate to compatible mobile training Apps through Bluetooth smart technology.<br>Soft elastic chest strap provides comfortable fit.<br>The water-resistant design will protect it from sweat during exercise.<br>Support device: for iPhone 6S, 6, 5S, 5C, 5 and 4S (and Plus versions) and for Android device with Bluetooth 4.0.<br>Applicable Apps including BT HRM, Runtastic, 60beat, Wahoo Fitness, Wahoo Utility, Endomondo, miCoach.<br>Perfect for those who want to count the calories they burn and get basic heart rate-based features to keep their fitness training simple.<br><br><strong>Specifications:</strong><br>Material: ABS<br>Color: Black<br>Power: CR2032 Button Battery<br>Detection range: 40-240BPM(beats per minute)<br>Package size: 13.5 * 17.5 * 3cm / 5.3 * 6.9 * 1.2in<br>Package weight: 85g / 3.0oz<br><br><strong>Package List:</strong><br>1 * Monitor<br>1 * Strap<div id="descriptionImg"><img class="lazy" src="https://dp.image-gmkt.com/imageproxy/?src=http%3a%2f%2fimg.tomtop.com%2fproduct%2fxy%2f2000%2f2000%2fp%2fgu1%2fY%2f4%2fY3814%2fY3814-1-ee12-4dr7.jpg&scw=-1" data-original="https://dp.image-gmkt.com/imageproxy/?src=http%3a%2f%2fimg.tomtop.com%2fproduct%2fxy%2f2000%2f2000%2fp%2fgu1%2fY%2f4%2fY3814%2fY3814-1-ee12-4dr7.jpg&scw=-1" onerror="this.src='http://img.tomtop.com/product/xy/2000/2000/p/gu1/Y/4/Y3814/Y3814-1-ee12-4dr7.jpg'; $(this).attr('onerror','');" ><img class="lazy" src="https://dp.image-gmkt.com/imageproxy/?src=http%3a%2f%2fstatic.tomtop.com%2ftomtop%2f%2ficon%2fplaceholder.gif&scw=-1" data-original="http://img.tomtop.com/product/xy/2000/2000/p/gu1/Y/4/Y3814/Y3814-1-ee12-3OuL.jpg" onerror="this.src='http://static.tomtop.com/tomtop//icon/placeholder.gif'; $(this).attr('onerror','');" ><img class="lazy" src="https://dp.image-gmkt.com/imageproxy/?src=http%3a%2f%2fstatic.tomtop.com%2ftomtop%2f%2ficon%2fplaceholder.gif&scw=-1" data-original="http://img.tomtop.com/product/xy/2000/2000/p/gu1/Y/4/Y3814/Y3814-1-ee12-XeKh.jpg" onerror="this.src='http://static.tomtop.com/tomtop//icon/placeholder.gif'; $(this).attr('onerror','');" ><img class="lazy" src="https://dp.image-gmkt.com/imageproxy/?src=http%3a%2f%2fstatic.tomtop.com%2ftomtop%2f%2ficon%2fplaceholder.gif&scw=-1" data-original="http://img.tomtop.com/product/xy/2000/2000/p/gu1/Y/4/Y3814/Y3814-1-ee12-eheD.jpg" onerror="this.src='http://static.tomtop.com/tomtop//icon/placeholder.gif'; $(this).attr('onerror','');" ><img class="lazy" src="https://dp.image-gmkt.com/imageproxy/?src=http%3a%2f%2fstatic.tomtop.com%2ftomtop%2f%2ficon%2fplaceholder.gif&scw=-1" data-original="http://img.tomtop.com/product/xy/2000/2000/p/gu1/Y/4/Y3814/Y3814-1-ee12-7tjb.jpg" onerror="this.src='http://static.tomtop.com/tomtop//icon/placeholder.gif'; $(this).attr('onerror','');" ><img class="lazy" src="https://dp.image-gmkt.com/imageproxy/?src=http%3a%2f%2fstatic.tomtop.com%2ftomtop%2f%2ficon%2fplaceholder.gif&scw=-1" data-original="http://img.tomtop.com/product/xy/2000/2000/p/gu1/Y/4/Y3814/Y3814-1-ee12-dW3J.jpg" onerror="this.src='http://static.tomtop.com/tomtop//icon/placeholder.gif'; $(this).attr('onerror','');" ><img class="lazy" src="https://dp.image-gmkt.com/imageproxy/?src=http%3a%2f%2fstatic.tomtop.com%2ftomtop%2f%2ficon%2fplaceholder.gif&scw=-1" data-original="http://img.tomtop.com/product/xy/2000/2000/p/gu1/Y/4/Y3814/Y3814-1-ee12-rr5H.jpg" onerror="this.src='http://static.tomtop.com/tomtop//icon/placeholder.gif'; $(this).attr('onerror','');" ><img class="lazy" src="https://dp.image-gmkt.com/imageproxy/?src=http%3a%2f%2fstatic.tomtop.com%2ftomtop%2f%2ficon%2fplaceholder.gif&scw=-1" data-original="http://img.tomtop.com/product/xy/2000/2000/p/gu1/Y/4/Y3814/Y3814-1-ee12-wRAy.jpg" onerror="this.src='http://static.tomtop.com/tomtop//icon/placeholder.gif'; $(this).attr('onerror','');" ></div>