Wireless Bluetooth Headphones</br>Built-in Heart Rate Monito</br>Managed your running rote and frequency</br>Hurriking heart rate earphones is designed with bio-metric technology</br>Make your workout more effective and enjoyable</br></br>Product Description</br></br>Register and login navigator account?? you can upload the data to cloud. Data can be download to various of mobile device. <br> Upload: Click Upload button on the set up page. <br> Download: Click download button on the set up page. <br> Note: Upload and download needs data net work. <br> Notification:The path tracking of Android isn't finished yet?? <br> but other functions are workable.Users of Android need to wait patiently??we will make the app perfectly ASAP. <br> Built-in Heart Rate Monitor??can managed your running rote and frequency??