... 1 Accurate real-time heart rate data2 Compatible with Bluetooth4.0 technology, wireless data transmisson3 Work with iPhone 4S, iPhone5, ... , 60Beat, RunKeeper, MapmyRUN, Strava, MapMyRun, Endomondo, Sprots Tracker etc.5 Ultra low power consumption, battery life will last up to ... can also offer you pedometer watch and chest strap in high quality and competitve price. Furthermore, we can design as per ...