CooSpo H6 heart rate sensor having dual band technology of both ANT + and Bluetooth smart, you only need one heart rate sensor for connecting to all of your training devices, from iPhone to Android to Garmin to Timex.
1,Tracks heart rate in real-time while you exercise
2,Dual technology: both ANT+ and BLE capabilities allow it to connect to both smartphones and GPS watches
3, Third Party iPhone app compatibility: Works seamlessly with over 50 iPhone Apps including Runkeeper, Strava, MapMyFitness, and Cyclemeter/Runmeter and select Android apps.