Polar OH1 heart rate sensor brings simplicity, comfort, and versatility that are rarely available in competing devices. This device has a memory of up to 200 hours of continuous usage, and a battery to support it. Updatable firmware and multiple compatible devices and applications make this little boy a top-selling fitness device.
Multiple sports modes
Reliable & accurate
Pairing may be an issue as it needs to be paired with Polar Beat & flow before pairing with an external device