PK Chest Strap Heart Rate Monitor

This PK device detects and sends your heart rate securely to your smartphone device. Pair this sensor with the PK app to see your effort in real-time as you workout.
 
Features Include:
Provides live, accurate heart rate reading.
Low Power Consumption: Up to a full year of battery life (detach transmitter from chest strap after every use for maximized battery life). Replace with CR2032 battery when necessary.
No additional hardware needed: connects directly to your smartphone when Bluetooth is turned on.
Compatible with any smart phone that enables Bluetooth and/or ANT+.