Features: Uses low energy Bluetooth smart technology and coded 5 kHz transmission, providing ECG-accurate heart rate to any Bluetooth smart ready device and compatible Polar training computers. Provides live heart rate on your mobile training application, including the Polar Beat app, to make the most of every session. Long transmission range (~10m), User replaceable battery, Includes a soft and comfortable hand washable fabric HRM USA chest strap
Price : $48.90
Brand : Polar