Sanitas polar rs300x gps black heart rate monitor watch with chest
Sanitas spm 25 heart rate monitor with chest strap sanitas 673 28 this heart rate monitor is an entry level unit that is suitable for the recreational athlete features an extensive array of functions and simple operation and will transmit detected heart rate wirelessly from the chest strap directly to the watch for instant monitoring the chest strap has a flexible tension belt for comfort and security and the sensor produces ecg precise heart rate measurement the watch is designed for swim